List index out of bounds (-1) - System::Classes::TList::Get

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.17.9

Error message:
List index out of bounds (-1)

Stack trace:
(00388819)
(00388819)
(000AB99F)
(0027ACF1)
(0027A338)
(003A5954)
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00034552) USER32.dll
(000326F6) USER32.dll.CallWindowProcW
(0047CC8B)
(003A5954)
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00032BE5) USER32.dll
(000329AB) USER32.dll.DispatchMessageW

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.17.10

Error message:
List index out of bounds (-1)

Traza de la pila:
(0038883D) System::Classes::TList::Get
(0038883D) System::Classes::TList::Get
(0002C279) TCustomScpExplorerForm::CloseSessionTab
(0027AD15) Vcl::Controls::TWinControl::WndProc
(0027A35C) Vcl::Controls::TWinControl::MainWndProc
(003A5978) System::Classes::_18201
(0003DF59) USER32.dll
(00034EC5) USER32.dll
(000345A2) USER32.dll
(00032746) USER32.dll.CallWindowProcW
(0047CCAF) Dragdrop::TDragDrop::WndMethod
(003A5978) System::Classes::_18201
(0003DF59) USER32.dll
(00034EC5) USER32.dll
(00032C35) USER32.dll
(000329FB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

1) Selected several folders and files and clicked Upload
2) Returned to WinSCP after several hours
3) Clicked X to close the session
4) The popup with this stack trace appeared

WinSCP 5.17.10

Error message:
List index out of bounds (-1)

Stack trace:
(0038883D) System::Classes::TList::Get
(0038883D) System::Classes::TList::Get
(0002C279) TCustomScpExplorerForm::CloseSessionTab
(0027AD15) Vcl::Controls::TWinControl::WndProc
(0027A35C) Vcl::Controls::TWinControl::MainWndProc
(003A5978) System::Classes::_18201
(000437A9) USER32.dll
(000242A7) USER32.dll
(000237FA) USER32.dll.CallWindowProcW
(0047CCAF) Dragdrop::TDragDrop::WndMethod
(003A5978) System::Classes::_18201
(000437A9) USER32.dll
(000242A7) USER32.dll
(000233F9) USER32.dll
(000231DB) USER32.dll.DispatchMessageW

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.17.10

Error message:
List index out of bounds (7)

Stack trace:
(0038883D) System::Classes::TList::Get
(0038883D) System::Classes::TList::Get
(003A5978) System::Classes::_18201
(00007FFF) USER32.dll.CallNextHookEx
(0000A02A) USER32.dll
(000084B7) USER32.dll
(000086B7) USER32.dll
(0003F404) ntdll.dll.KiUserCallbackDispatcher
(0000E2BD) USER32.dll.SendMessageTimeoutW
(000B9FC5) UXTHEME.DLL
(000B3460) UXTHEME.DLL
(000A67E0) UXTHEME.DLL
(000A699C) UXTHEME.DLL
(0000E0AC) USER32.dll.EnumChildWindows
(00053466) USER32.dll.EnumDesktopWindows
(000A6854) UXTHEME.DLL
(0003B5CE) USER32.dll
(00053490) USER32.dll.EnumDesktopsW
(000A692F) UXTHEME.DLL
(000B34B0) UXTHEME.DLL
(0009D35C) UXTHEME.DLL
(0000A00D) USER32.dll
(000097FA) USER32.dll
(0000986B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.2

Error message:
List index out of bounds (-1)

Trace de la pile :
(003AA89D) System::Classes::TList::Get
(003AA89D) System::Classes::TList::Get
(0002CA9D) TCustomScpExplorerForm::CloseSessionTab
(00280255) Vcl::Controls::TWinControl::WndProc
(0027F89C) Vcl::Controls::TWinControl::MainWndProc
(003C79D8) System::Classes::_18201
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00034552) USER32.dll
(000326F6) USER32.dll.CallWindowProcW
(0049E5DF) Dragdrop::TDragDrop::WndMethod
(003C79D8) System::Classes::_18201
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00032BE5) USER32.dll
(000329AB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.2

Error message:
List index out of bounds (-1)

Traza de la pila:
(003AA89D) System::Classes::TList::Get
(003AA89D) System::Classes::TList::Get
(0002CA9D) TCustomScpExplorerForm::CloseSessionTab
(00280255) Vcl::Controls::TWinControl::WndProc
(0027F89C) Vcl::Controls::TWinControl::MainWndProc
(003C79D8) System::Classes::_18201
(0003DDE9) USER32.dll
(00034DA5) USER32.dll
(00034482) USER32.dll
(00032626) USER32.dll.CallWindowProcW
(0049E5DF) Dragdrop::TDragDrop::WndMethod
(003C79D8) System::Classes::_18201
(0003DDE9) USER32.dll
(00034DA5) USER32.dll
(00032B15) USER32.dll
(000328DB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

Tried to middle click a tab and close it. Before that I got an error saying server disconnected error code -128, clicked ok and tried to close the tab

<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.2

Error message:
List index out of bounds (-1)

Stack trace:
(003AA89D) System::Classes::TList::Get
(003AA89D) System::Classes::TList::Get
(0002CA9D) TCustomScpExplorerForm::CloseSessionTab
(0027BCBC) Vcl::Controls::TControl::MouseDown
(0027BD54) Vcl::Controls::TControl::DoMouseDown
(0027BF39) Vcl::Controls::TControl::WMMButtonDown
(00280255) Vcl::Controls::TWinControl::WndProc
(0027F89C) Vcl::Controls::TWinControl::MainWndProc
(003C79D8) System::Classes::_18201
(000426D9) USER32.dll
(00039665) USER32.dll
(00038D42) USER32.dll
(00036EE6) USER32.dll.CallWindowProcW
(0049E5DF) Dragdrop::TDragDrop::WndMethod
(003C79D8) System::Classes::_18201
(000426D9) USER32.dll
(00039665) USER32.dll
(000373D5) USER32.dll
(0003719B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.3

Error message:
List index out of bounds (-1)

Stack trace:
(003AA95D) System::Classes::TList::Get
(003AA95D) System::Classes::TList::Get
(0002CAA1) TCustomScpExplorerForm::CloseSessionTab
(00280315) Vcl::Controls::TWinControl::WndProc
(0027F95C) Vcl::Controls::TWinControl::MainWndProc
(003C7A98) System::Classes::_18201
(000437A9) USER32.dll
(000242A7) USER32.dll
(000237FA) USER32.dll.CallWindowProcW
(0049E69F) Dragdrop::TDragDrop::WndMethod
(003C7A98) System::Classes::_18201
(000437A9) USER32.dll
(000242A7) USER32.dll
(000233F9) USER32.dll
(000231DB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.4

Error message:
List index out of bounds (-1)

Stack trace:
(003AA95D) System::Classes::TList::Get
(003AA95D) System::Classes::TList::Get
(0002CAA1) TCustomScpExplorerForm::CloseSessionTab
(00280315) Vcl::Controls::TWinControl::WndProc
(0027F95C) Vcl::Controls::TWinControl::MainWndProc
(003C7A98) System::Classes::_18201
(000421D9) USER32.dll
(00039175) USER32.dll
(00038852) USER32.dll
(000369F6) USER32.dll.CallWindowProcW
(0049E69F) Dragdrop::TDragDrop::WndMethod
(003C7A98) System::Classes::_18201
(000421D9) USER32.dll
(00039175) USER32.dll
(00036EE5) USER32.dll
(00036CAB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.4

Error message:
List index out of bounds (-1)

Трассировка стека:
(003AA95D) System::Classes::TList::Get
(003AA95D) System::Classes::TList::Get
(0002CAA1) TCustomScpExplorerForm::CloseSessionTab
(0027BD7C) Vcl::Controls::TControl::MouseDown
(0027BE14) Vcl::Controls::TControl::DoMouseDown
(0027BFF9) Vcl::Controls::TControl::WMMButtonDown
(00280315) Vcl::Controls::TWinControl::WndProc
(0027F95C) Vcl::Controls::TWinControl::MainWndProc
(003C7A98) System::Classes::_18201
(000421D9) USER32.dll
(00039175) USER32.dll
(00038852) USER32.dll
(000369F6) USER32.dll.CallWindowProcW
(0049E69F) Dragdrop::TDragDrop::WndMethod
(003C7A98) System::Classes::_18201
(000421D9) USER32.dll
(00039175) USER32.dll
(00036EE5) USER32.dll
(00036CAB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.4

Error message:
List index out of bounds (-1)

Трассировка стека:
(003AA95D) System::Classes::TList::Get
(003AA95D) System::Classes::TList::Get
(0002CAA1) TCustomScpExplorerForm::CloseSessionTab
(00280315) Vcl::Controls::TWinControl::WndProc
(0027F95C) Vcl::Controls::TWinControl::MainWndProc
(003C7A98) System::Classes::_18201
(000421D9) USER32.dll
(00039175) USER32.dll
(00038852) USER32.dll
(000369F6) USER32.dll.CallWindowProcW
(0049E69F) Dragdrop::TDragDrop::WndMethod
(003C7A98) System::Classes::_18201
(000421D9) USER32.dll
(00039175) USER32.dll
(00036EE5) USER32.dll
(00036CAB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.2

Error message:
List index out of bounds (-1)

Трассировка стека:
(003AA89D) System::Classes::TList::Get
(003AA89D) System::Classes::TList::Get
(0002CA9D) TCustomScpExplorerForm::CloseSessionTab
(00280255) Vcl::Controls::TWinControl::WndProc
(0027F89C) Vcl::Controls::TWinControl::MainWndProc
(003C79D8) System::Classes::_18201
(000421D9) USER32.dll
(00039175) USER32.dll
(00038852) USER32.dll
(000369F6) USER32.dll.CallWindowProcW
(0049E5DF) Dragdrop::TDragDrop::WndMethod
(003C79D8) System::Classes::_18201
(000421D9) USER32.dll
(00039175) USER32.dll
(00036EE5) USER32.dll
(00036CAB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.5

Error message:
List index out of bounds (-1)

Stack trace:
(003AAA29) System::Classes::TList::Get
(003AAA29) System::Classes::TList::Get
(0002CB11) TCustomScpExplorerForm::CloseSessionTab
(002803E1) Vcl::Controls::TWinControl::WndProc
(0027FA28) Vcl::Controls::TWinControl::MainWndProc
(003C7B64) System::Classes::_18201
(00042399) USER32.dll
(00039335) USER32.dll
(00038A02) USER32.dll
(00036BA6) USER32.dll.CallWindowProcW
(0049E76B) Dragdrop::TDragDrop::WndMethod
(003C7B64) System::Classes::_18201
(00042399) USER32.dll
(00039335) USER32.dll
(00037095) USER32.dll
(00036E5B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.5

Error message:
List index out of bounds (-1)

Трассировка стека:
(003AAA29) System::Classes::TList::Get
(003AAA29) System::Classes::TList::Get
(0002CB11) TCustomScpExplorerForm::CloseSessionTab
(002803E1) Vcl::Controls::TWinControl::WndProc
(0027FA28) Vcl::Controls::TWinControl::MainWndProc
(003C7B64) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(0001FD22) USER32.dll
(0001FD48) USER32.dll.CallWindowProcW
(0049E76B) Dragdrop::TDragDrop::WndMethod
(003C7B64) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.5

Error message:
List index out of bounds (-1)

Traza de la pila:
(003AAA29) System::Classes::TList::Get
(003AAA29) System::Classes::TList::Get
(0002CB11) TCustomScpExplorerForm::CloseSessionTab
(002803E1) Vcl::Controls::TWinControl::WndProc
(0027FA28) Vcl::Controls::TWinControl::MainWndProc
(003C7B64) System::Classes::_18201
(0003DDE9) USER32.dll
(00034DA5) USER32.dll
(00034482) USER32.dll
(00032626) USER32.dll.CallWindowProcW
(0049E76B) Dragdrop::TDragDrop::WndMethod
(003C7B64) System::Classes::_18201
(0003DDE9) USER32.dll
(00034DA5) USER32.dll
(00032B15) USER32.dll
(000328DB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.20.1

Error message:
List index out of bounds (-1)

Stack trace:
(003AA651) System::Classes::TList::Get
(003AA651) System::Classes::TList::Get
(0002D089) TCustomScpExplorerForm::CloseSessionTab
(00280009) Vcl::Controls::TWinControl::WndProc
(0027F650) Vcl::Controls::TWinControl::MainWndProc
(003C778C) System::Classes::_18201
(00040099) USER32.dll
(00037055) USER32.dll
(00036732) USER32.dll
(000348D6) USER32.dll.CallWindowProcW
(0049ED9F) Dragdrop::TDragDrop::WndMethod
(003C778C) System::Classes::_18201
(00040099) USER32.dll
(00037055) USER32.dll
(00034DC5) USER32.dll
(00034B8B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

Just happened to see this error pop up as I was doing other work--did not even realize WinSCP was running at the time....
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.6

Error message:
List index out of bounds (1)

Stack trace:
(003AAA29) System::Classes::TList::Get
(003AAA29) System::Classes::TList::Get
(00E44181) CreateMoreMessageDialog
(000F4A1F) CreateMessageDialogEx
(000F5290) CreateMoreMessageDialogEx
(000F540A) MoreMessageDialog
(000F6F58) ExceptionMessageDialog
(000C2C94) ShowExtendedExceptionEx
(000C20C8) ShowExtendedException
(00002658) wWinMain
(00FC2C59) C5162_0
(00066A7C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066A49) ntdll.dll.RtlGetAppContainerNamedObjectPath

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.5

Error message:
List index out of bounds (-1)

Stack trace:
(003AAA29) System::Classes::TList::Get
(003AAA29) System::Classes::TList::Get
(0002CB11) TCustomScpExplorerForm::CloseSessionTab
(002803E1) Vcl::Controls::TWinControl::WndProc
(0027FA28) Vcl::Controls::TWinControl::MainWndProc
(003C7B64) System::Classes::_18201
(00043749) USER32.dll
(000250B7) USER32.dll
(0002460A) USER32.dll.CallWindowProcW
(0049E76B) Dragdrop::TDragDrop::WndMethod
(003C7B64) System::Classes::_18201
(00043749) USER32.dll
(000250B7) USER32.dll
(00024209) USER32.dll
(00023FCB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.19.5

Error message:
List index out of bounds (-1)

Трассировка стека:
(003AAA29) System::Classes::TList::Get
(003AAA29) System::Classes::TList::Get
(0002CB11) TCustomScpExplorerForm::CloseSessionTab
(002803E1) Vcl::Controls::TWinControl::WndProc
(0027FA28) Vcl::Controls::TWinControl::MainWndProc
(003C7B64) System::Classes::_18201
(0003FE89) USER32.dll
(00036E45) USER32.dll
(00036522) USER32.dll
(000346C6) USER32.dll.CallWindowProcW
(0049E76B) Dragdrop::TDragDrop::WndMethod
(003C7B64) System::Classes::_18201
(0003FE89) USER32.dll
(00036E45) USER32.dll
(00034BB5) USER32.dll
(0003497B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.20.1

Error message:
List index out of bounds (-1)

Stack trace:
(003AA651) System::Classes::TList::Get
(003AA651) System::Classes::TList::Get
(0002D089) TCustomScpExplorerForm::CloseSessionTab
(00280009) Vcl::Controls::TWinControl::WndProc
(0027F650) Vcl::Controls::TWinControl::MainWndProc
(003C778C) System::Classes::_18201
(00044CB9) USER32.dll
(000357D7) USER32.dll
(00034D2A) USER32.dll.CallWindowProcW
(0049ED9F) Dragdrop::TDragDrop::WndMethod
(003C778C) System::Classes::_18201
(00044CB9) USER32.dll
(000357D7) USER32.dll
(00034916) USER32.dll
(000346EB) USER32.dll.DispatchMessageW

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

@13288912697: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

When using mobaXterm, it is possible to use the application in tabs. When closing such a tab, the following error pops up.

WinSCP 5.19.6

Error message:
Nieprawidłowy dostęp do pamięci.

Stack trace:
(003AAA31) System::Classes::TList::Get
(000878AF) ntdll.dll
(00073EE1) ntdll.dll.KiUserExceptionDispatcher
(0023EC7D) Vcl::Forms::TCustomForm::CloseQuery
(002803E1) Vcl::Controls::TWinControl::WndProc
(0023A8A8) Vcl::Forms::TCustomForm::WndProc

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

@raper1987: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.1

Error message:
List index out of bounds (-1)

Stack trace:
(003AB465) System::Classes::TList::Get
(003AB465) System::Classes::TList::Get
(0002D055) TCustomScpExplorerForm::CloseSessionTab
(00280E1D) Vcl::Controls::TWinControl::WndProc
(00280464) Vcl::Controls::TWinControl::MainWndProc
(003C85A0) System::Classes::_18201
(00046C90) USER32.dll
(00026145) USER32.dll
(00024D7A) USER32.dll.CallWindowProcW
(004A020F) Dragdrop::TDragDrop::WndMethod
(003C85A0) System::Classes::_18201
(00046C90) USER32.dll
(00026145) USER32.dll
(00024A73) USER32.dll
(000245AB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.2

Error message:
List index out of bounds (-1)

Трассировка стека:
(003AD525) System::Classes::TList::Get
(003AD525) System::Classes::TList::Get
(0002D6B9) TCustomScpExplorerForm::CloseSessionTab
(00282EDD) Vcl::Controls::TWinControl::WndProc
(00282524) Vcl::Controls::TWinControl::MainWndProc
(003CA660) System::Classes::_18201
(0002C2D1) USER32.dll
(0000C305) USER32.dll
(0000B992) USER32.dll.CallWindowProcW
(004A22CF) Dragdrop::TDragDrop::WndMethod
(003CA660) System::Classes::_18201
(0002C2D1) USER32.dll
(0000C305) USER32.dll
(0000BC4F) USER32.dll
(0000BA0B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.2

Error message:
List index out of bounds (-1)

Stack trace:
(003AD525) System::Classes::TList::Get
(003AD525) System::Classes::TList::Get
(0027D3C3) Vcl::Controls::TControl::DragOver
(0027D95C) Vcl::Controls::TControl::DoDragMsg

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.3

Error message:
List index out of bounds (1)

Stack trace:
(003ACAC1) System::Classes::TList::Get
(003ACAC1) System::Classes::TList::Get
(00E5082D) CreateMoreMessageDialog
(000F63D7) CreateMessageDialogEx
(000F6CE0) CreateMoreMessageDialogEx
(000F6E5E) MoreMessageDialog
(000F89AC) ExceptionMessageDialog
(000C3C54) ShowExtendedExceptionEx
(000C3088) ShowExtendedException
(000027FA) wWinMain
(00FD0229) __wstartup
(000578C4)ntdll.dll
(00057B0B)ntdll.dll

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

@dmasmiv: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

I tried to reconnect to an old session, after the reconnect i got this error

WinSCP 5.21.5

Error message:
List index out of bounds (-1)

Stack trace:
(003ACAD1) System::Classes::TList::Get
(003ACAD1) System::Classes::TList::Get
(0002E1B1) TCustomScpExplorerForm::CloseSessionTab
(0027DEF0) Vcl::Controls::TControl::MouseDown
(0027DF88) Vcl::Controls::TControl::DoMouseDown
(0027E16D) Vcl::Controls::TControl::WMMButtonDown
(00282489) Vcl::Controls::TWinControl::WndProc
(00281AD0) Vcl::Controls::TWinControl::MainWndProc
(003C9C0C) System::Classes::_18201
(00040519) USER32.dll
(000374E5) USER32.dll
(00036BA2) USER32.dll
(00034D46) USER32.dll.CallWindowProcW
(004A18CB) Dragdrop::TDragDrop::WndMethod
(003C9C0C) System::Classes::_18201
(00040519) USER32.dll
(000374E5) USER32.dll
(00035235) USER32.dll
(00034FFB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.3

Error message:
Invalid access to memory.

Stack trace:
(003ACAB2) System::Classes::TList::Get
(00087B7F) ntdll.dll

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.5

Error message:
Invalid access to memory.

Stack trace:
(003ACAD1) System::Classes::TList::Get
(003ACAD1) System::Classes::TList::Get
(000B2EA7) TTerminalManager::FreeActiveTerminal
(000B3832) TTerminalManager::ReconnectActiveTerminal
(0001AAC1) TCustomScpExplorerForm::ReconnectSession
(0040D60C) System::Actions::TContainedActionList::ExecuteAction
(001CF6F9) Vcl::Actnlist::TCustomAction::Execute
(003C9C0C) System::Classes::_18201
(00046D50) USER32.dll
(00026115) USER32.dll
(00024A43) USER32.dll
(0002457B) USER32.dll.DispatchMessageW

(00DD6A70) TTerminal::GetActive
(00097F5F) ntdll.dll
(00076171) ntdll.dll.KiUserExceptionDispatcher
(000B384E) TTerminalManager::ReconnectActiveTerminal
(0001AAC1) TCustomScpExplorerForm::ReconnectSession
(0040D60C) System::Actions::TContainedActionList::ExecuteAction
(001CF6F9) Vcl::Actnlist::TCustomAction::Execute
(003C9C0C) System::Classes::_18201
(00046D50) USER32.dll
(00026115) USER32.dll
(00024A43) USER32.dll
(0002457B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.6

Error message:
List index out of bounds (5)

Stack trace:
(003ACAD9) System::Classes::TList::Get

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.6

Error message:
List index out of bounds (-1)

Stack trace:
(003ACAD9) System::Classes::TList::Get
(003ACAD9) System::Classes::TList::Get
(0002E1B9) TCustomScpExplorerForm::CloseSessionTab
(00282491) Vcl::Controls::TWinControl::WndProc
(00281AD8) Vcl::Controls::TWinControl::MainWndProc
(003C9C14) System::Classes::_18201
(00031331) USER32.dll
(000220E1) USER32.dll
(00021A52) USER32.dll.CallWindowProcW
(004A18D3) Dragdrop::TDragDrop::WndMethod
(003C9C14) System::Classes::_18201
(00031331) USER32.dll
(000220E1) USER32.dll
(000209A0) USER32.dll
(000204EB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.7

Error message:
List index out of bounds (4)

Stack trace:
(003ACB05) System::Classes::TList::Get

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>
Click on file to retrieve from a remote location.
WinSCP 5.21.7

Error message:
Invalid access to memory.

Stack trace:
(003ACB0D) System::Classes::TList::Get
(00087B7F) ntdll.dll

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.7

Error message:
Unzulässiger Zugriff auf einen Speicherbereich.

Stapelverfolgung:
(003ACAF6) System::Classes::TList::Get
(00087B7F) ntdll.dll

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

@esk: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.8

Error message:
List index out of bounds (-1)

Stack trace:
(003ACB05) System::Classes::TList::Get
(003ACB05) System::Classes::TList::Get
(0002E1B9) TCustomScpExplorerForm::CloseSessionTab
(002824BD) Vcl::Controls::TWinControl::WndProc
(00281B04) Vcl::Controls::TWinControl::MainWndProc
(003C9C40) System::Classes::_18201
(000313A1) USER32.dll
(000220B1) USER32.dll
(00021A22) USER32.dll.CallWindowProcW
(004A18FF) Dragdrop::TDragDrop::WndMethod
(003C9C40) System::Classes::_18201
(000313A1) USER32.dll
(000220B1) USER32.dll
(00020970) USER32.dll
(000204BB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.7

Error message:
List index out of bounds (3)

Stack trace:
(003ACB05) System::Classes::TList::Get

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.1

Error message:
List index out of bounds (-1)

Stack trace:
(001F77CD) System::Classes::TList::Get
(001F77CD) System::Classes::TList::Get
(0002FF2C) TCustomScpExplorerForm::CloseSessionTab
(00C91D0E) TThemePageControl::Dispatch
(003F6279) Vcl::Controls::TWinControl::WndProc
(003F58C0) Vcl::Controls::TWinControl::MainWndProc
(00214D34) System::Classes::_18201
(00040399) USER32.dll
(00037365) USER32.dll
(00036A42) USER32.dll
(00034BE6) USER32.dll.CallWindowProcW
(004AFC4B) Dragdrop::TDragDrop::WndMethod
(00214D34) System::Classes::_18201
(00040399) USER32.dll
(00037365) USER32.dll
(000350D5) USER32.dll
(00034E9B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.1.1

Error message:
List index out of bounds (-1)

Stack trace:
(001F7831) System::Classes::TList::Get
(001F7831) System::Classes::TList::Get
(0002FF5C) TCustomScpExplorerForm::CloseSessionTab
(00C90612) TThemePageControl::Dispatch
(003F62DD) Vcl::Controls::TWinControl::WndProc
(003F5924) Vcl::Controls::TWinControl::MainWndProc
(00214D98) System::Classes::_18201
(00040379) USER32.dll
(00037345) USER32.dll
(00036A22) USER32.dll
(00034BC6) USER32.dll.CallWindowProcW
(004AFCAF) Dragdrop::TDragDrop::WndMethod
(00214D98) System::Classes::_18201
(00040379) USER32.dll
(00037345) USER32.dll
(000350B5) USER32.dll
(00034E7B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

Uploaded a .jpg image to replace an existing image of same name. Once error appears impossible to exit or shut down program.
WinSCP 5.21.7

Error message:
List index out of bounds (3)

Stack trace:
(003ACB05) System::Classes::TList::Get

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

@paul: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.1.1

Error message:
List index out of bounds (1)

Stack trace:
(001F7831) System::Classes::TList::Get
(001F7831) System::Classes::TList::Get
(00E7E5D5) CreateMoreMessageDialog
(001022F3) CreateMessageDialogEx
(00102BFC) CreateMoreMessageDialogEx
(00102D7A) MoreMessageDialog
(00102E90) MessageDialog
(0010F82F) ImportSitesIfAny
(001158B2) Execute
(000027EF) wWinMain
(01001521) C5951_0
(00066B1C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066AE9) ntdll.dll.RtlGetAppContainerNamedObjectPath

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.21.5

Error message:
List index out of bounds (-1)

Stack trace:
(00D8BBF2)
(0009783F) ntdll.dll
(000777B1) ntdll.dll.KiUserExceptionDispatcher
(0002E1B1)
(00282489)
(00281AD0)
(003C9C0C)
(00031211) USER32.dll
(00022021) USER32.dll
(00021992) USER32.dll.CallWindowProcW
(004A18CB)
(003C9C0C)
(00031211) USER32.dll
(00022021) USER32.dll
(000208E0) USER32.dll
(0002042B) USER32.dll.DispatchMessageW

(003ACAD1)
(003ACAD1)
(0002E1B1)
(00282489)
(00281AD0)
(003C9C0C)
(00031211) USER32.dll
(00022021) USER32.dll
(00021992) USER32.dll.CallWindowProcW
(004A18CB)
(003C9C0C)
(00031211) USER32.dll
(00022021) USER32.dll
(000208E0) USER32.dll
(0002042B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

Unable to draga nd drop folder from one server to another server by opening two instances of winscp
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.1.2

Error message:
List index out of bounds (-1)

Stack trace:
(001F80E5) System::Classes::TList::Get
(001F80E5) System::Classes::TList::Get
(00026826) TCustomScpExplorerForm::RemoteFileControlDDTargetDrop
(0002802D) TCustomScpExplorerForm::RemoteFileControlDDQueryContinueDrag
(0047B80A) Customdirview::TCustomDirView::DDQueryContinueDrag
(004AEDA6) __stdcall Dragdrop::TDropSource::QueryContinueDrag
(000795D1) OLE32.DLL
(00079F3C) OLE32.DLL.DoDragDrop
(004B1041) Dragdrop::TDragDrop::ExecuteOperation
(0047828B) Customdirview::TCustomizableDragDropFilesEx::Execute
(00C93512) TUnixDirView::DDDragDetect
(00478A2E) Customdirview::TCustomDirView::CNNotify
(003F204D) Vcl::Controls::TControl::WndProc
(003F6B91) Vcl::Controls::TWinControl::WndProc
(00439E6B) Vcl::Comctrls::TCustomListView::WndProc
(003F6CF7) Vcl::Controls::_17076
(003F6B91) Vcl::Controls::TWinControl::WndProc
(003F61D8) Vcl::Controls::TWinControl::MainWndProc
(0021564C) System::Classes::_18201
(0003FF49) USER32.dll
(00036EF5) USER32.dll
(00036AF5) USER32.dll
(0003A6BD) USER32.dll
(0007408B) ntdll.dll.KiUserCallbackDispatcher
(0003491A) USER32.dll.SendMessageW
(00068881) COMCTL32.DLL
(0019EF20) COMCTL32.DLL
(000A3E60) COMCTL32.DLL
(000648A2) COMCTL32.DLL
(0003FF49) USER32.dll
(00036EF5) USER32.dll
(000365D2) USER32.dll
(00034776) USER32.dll.CallWindowProcW
(003F6CA2) Vcl::Controls::TWinControl::DefaultHandler
(0047A482) Customdirview::TCustomDirView::WMLButtonDown
(003F6B91) Vcl::Controls::TWinControl::WndProc
(00439E6B) Vcl::Comctrls::TCustomListView::WndProc
(0021564C) System::Classes::_18201
(0003FF49) USER32.dll
(00036EF5) USER32.dll
(000365D2) USER32.dll
(00034776) USER32.dll.CallWindowProcW
(00079E57) COMCTL32.DLL
(00079EF6) COMCTL32.DLL
(00079CAC) COMCTL32.DLL
(0003FF49) USER32.dll
(00036EF5) USER32.dll
(000365D2) USER32.dll
(00034776) USER32.dll.CallWindowProcW
(004B0563) Dragdrop::TDragDrop::WndMethod
(0021564C) System::Classes::_18201
(0003FF49) USER32.dll
(00036EF5) USER32.dll
(00034C65) USER32.dll
(00034A2B) USER32.dll.DispatchMessageW

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

@manish.noola: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.1.2

Error message:
List index out of bounds (-1)

Трассировка стека:
(001F80E5) System::Classes::TList::Get
(001F80E5) System::Classes::TList::Get
(0002FF5C) TCustomScpExplorerForm::CloseSessionTab
(003F25F8) Vcl::Controls::TControl::MouseDown
(003F2690) Vcl::Controls::TControl::DoMouseDown
(003F2875) Vcl::Controls::TControl::WMMButtonDown
(003F6B91) Vcl::Controls::TWinControl::WndProc
(003F61D8) Vcl::Controls::TWinControl::MainWndProc
(0021564C) System::Classes::_18201
(00031BC1) USER32.dll
(000229B1) USER32.dll
(00022322) USER32.dll.CallWindowProcW
(004B0563) Dragdrop::TDragDrop::WndMethod
(0021564C) System::Classes::_18201
(00031BC1) USER32.dll
(000229B1) USER32.dll
(00021270) USER32.dll
(00020DBB) USER32.dll.DispatchMessageW

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

@ip0jywg2apdm: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.1.2

Error message:
List index out of bounds (-1)

Stack trace:
(001F80E5) System::Classes::TList::Get
(001F80E5) System::Classes::TList::Get
(0002FF5C) TCustomScpExplorerForm::CloseSessionTab
(00C90ED2) TThemePageControl::Dispatch
(003F6B91) Vcl::Controls::TWinControl::WndProc
(003F61D8) Vcl::Controls::TWinControl::MainWndProc
(0021564C) System::Classes::_18201
(00031E01) USER32.dll
(00022BE1) USER32.dll
(00022552) USER32.dll.CallWindowProcW
(004B0563) Dragdrop::TDragDrop::WndMethod
(0021564C) System::Classes::_18201
(00031E01) USER32.dll
(00022BE1) USER32.dll
(000214A0) USER32.dll
(00020FEB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.1.2

Error message:
List index out of bounds (-1)

Трассировка стека:
(001F80E5) System::Classes::TList::Get
(001F80E5) System::Classes::TList::Get
(0002FF5C) TCustomScpExplorerForm::CloseSessionTab
(00C90ED2) TThemePageControl::Dispatch
(003F6B91) Vcl::Controls::TWinControl::WndProc
(003F61D8) Vcl::Controls::TWinControl::MainWndProc
(0021564C) System::Classes::_18201
(0003FF49) USER32.dll
(00036EF5) USER32.dll
(000365D2) USER32.dll
(00034776) USER32.dll.CallWindowProcW
(004B0563) Dragdrop::TDragDrop::WndMethod
(0021564C) System::Classes::_18201
(0003FF49) USER32.dll
(00036EF5) USER32.dll
(00034C65) USER32.dll
(00034A2B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

Attempted to drag a folder from one tab to another and simply crashed.

WinSCP 6.1.2

Error message:
List index out of bounds (-1)

Stack trace:
(001F80E5) System::Classes::TList::Get
(001F80E5) System::Classes::TList::Get
(00026826) TCustomScpExplorerForm::RemoteFileControlDDTargetDrop
(0002802D) TCustomScpExplorerForm::RemoteFileControlDDQueryContinueDrag
(0047B80A) Customdirview::TCustomDirView::DDQueryContinueDrag
(004AEDA6) __stdcall Dragdrop::TDropSource::QueryContinueDrag
(000795D1) OLE32.DLL
(00079F3C) OLE32.DLL.DoDragDrop
(004B1041) Dragdrop::TDragDrop::ExecuteOperation
(0047828B) Customdirview::TCustomizableDragDropFilesEx::Execute
(00C93512) TUnixDirView::DDDragDetect
(00478A2E) Customdirview::TCustomDirView::CNNotify
(003F204D) Vcl::Controls::TControl::WndProc
(003F6B91) Vcl::Controls::TWinControl::WndProc
(00439E6B) Vcl::Comctrls::TCustomListView::WndProc
(003F6CF7) Vcl::Controls::_17076
(003F6B91) Vcl::Controls::TWinControl::WndProc
(003F61D8) Vcl::Controls::TWinControl::MainWndProc
(0021564C) System::Classes::_18201
(00040399) USER32.dll
(00036B35) USER32.dll
(00036735) USER32.dll
(0003AC3D) USER32.dll
(0007407B) ntdll.dll.KiUserCallbackDispatcher
(00034E2A) USER32.dll.SendMessageW
(00068881) COMCTL32.DLL
(0019EF20) COMCTL32.DLL
(000A3E60) COMCTL32.DLL
(000648A2) COMCTL32.DLL
(00040399) USER32.dll
(00036B35) USER32.dll
(000362F1) USER32.dll.GetSystemMetricsForDpi
(00034AE6) USER32.dll.CallWindowProcW
(003F6CA2) Vcl::Controls::TWinControl::DefaultHandler
(0047A482) Customdirview::TCustomDirView::WMLButtonDown
(003F6B91) Vcl::Controls::TWinControl::WndProc
(00439E6B) Vcl::Comctrls::TCustomListView::WndProc
(0021564C) System::Classes::_18201
(00040399) USER32.dll
(00036B35) USER32.dll
(000362F1) USER32.dll.GetSystemMetricsForDpi
(00034AE6) USER32.dll.CallWindowProcW
(00079E57) COMCTL32.DLL
(00079EF6) COMCTL32.DLL
(00079CAC) COMCTL32.DLL
(00040399) USER32.dll
(00036B35) USER32.dll
(000362F1) USER32.dll.GetSystemMetricsForDpi
(00034AE6) USER32.dll.CallWindowProcW
(004B0563) Dragdrop::TDragDrop::WndMethod
(0021564C) System::Classes::_18201
(00040399) USER32.dll
(00036B35) USER32.dll
(0003546C) USER32.dll
(00034F8B) USER32.dll.DispatchMessageW

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

@ccnetz: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.3

Error message:
Invalid access to memory.

Stack trace:
(002091CE) System::Classes::TList::Get
(00087A6F) ntdll.dll

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.3

Error message:
List index out of bounds (-1)

Trace de la pile :
(002091DD) System::Classes::TList::Get
(002091DD) System::Classes::TList::Get
(000C4CEC) TTerminalManager::SessionReady
(000C243C) TTerminalManager::SetActiveSession
(00061069) TScpCommanderForm::PasteFromClipBoard
(0004FD97) TNonVisualDataModule::ExplorerActionsExecute
(00274FAC) System::Actions::TContainedActionList::ExecuteAction
(00358EED) Vcl::Actnlist::TCustomAction::Execute
(00226744) System::Classes::_18201
(00032451) USER32.dll
(000232A1) USER32.dll
(00021B60) USER32.dll
(000216AB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

Closing a tab. Connection bound to this tab reset every certain minutes because remote host closes the connection due to inactivity. But WinSCP reconnects automaticaly,

WinSCP 6.3.4

Error message:
List index out of bounds (-1)

Rastreo de la pila:
(002099E1) System::Classes::TList::Get
(002099E1) System::Classes::TList::Get
(00030EF4) TCustomScpExplorerForm::CloseSessionTab
(00AE7BA6) TThemePageControl::Dispatch
(00408FE1) Vcl::Controls::TWinControl::WndProc
(00408628) Vcl::Controls::TWinControl::MainWndProc
(00226F2C) System::Classes::_18201
(00040819) USER32.dll
(00036F65) USER32.dll
(00036721) USER32.dll.GetSystemMetricsForDpi
(00034F46) USER32.dll.CallWindowProcW
(004C2CEB) Dragdrop::TDragDrop::WndMethod
(00226F2C) System::Classes::_18201
(00040819) USER32.dll
(00036F65) USER32.dll
(0003589C) USER32.dll
(000353BB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.3.5

Error message:
Invalid access to memory.

Stack trace:
(002099D2) System::Classes::TList::Get
(00095A2F) ntdll.dll

The problem happens rarely. I cannot reproduce it.