<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 6.4

Error message:
Unzulässiger Zugriff auf einen Speicherbereich.

Stapelverfolgung:
(0047DD44) Compthread::TCompThread::Suspend
(00087FFF) ntdll.dll
(00074531) ntdll.dll.KiUserExceptionDispatcher
(0041CE19) Vcl::Controls::TWinControl::WndProc
(0046010F) Vcl::Comctrls::TCustomListView::WndProc
(0023A4A8) System::Classes::_18201
(00040739) USER32.dll
(00036EA5) USER32.dll
(00036661) USER32.dll.GetSystemMetricsForDpi
(00034E86) USER32.dll.CallWindowProcW
(00079E97) COMCTL32.DLL
(00079F36) COMCTL32.DLL
(00079CEC) COMCTL32.DLL
(00040739) USER32.dll
(00036EA5) USER32.dll
(00036AA5) USER32.dll
(0003AF7D) USER32.dll
(000744EB) ntdll.dll.KiUserCallbackDispatcher
(0041BDC1) Vcl::Controls::TWinControl::DestroyWnd
(0049F806) Customdirview::TCustomDirView::DestroyWnd
(00484725) Ielistview::TCustomIEListView::CMRecreateWnd
(0041CE19) Vcl::Controls::TWinControl::WndProc
(0046010F) Vcl::Comctrls::TCustomListView::WndProc

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 6.4

Error message:
Invalid access to memory.

Stack trace:
(0047DD44) Compthread::TCompThread::Suspend
(00087FFF) ntdll.dll
(00074531) ntdll.dll.KiUserExceptionDispatcher
(0041CE19) Vcl::Controls::TWinControl::WndProc
(0046010F) Vcl::Comctrls::TCustomListView::WndProc
(0023A4A8) System::Classes::_18201
(00040739) USER32.dll
(00036EA5) USER32.dll
(00036661) USER32.dll.GetSystemMetricsForDpi
(00034E86) USER32.dll.CallWindowProcW
(00079E97) COMCTL32.DLL
(00079F36) COMCTL32.DLL
(00079CEC) COMCTL32.DLL
(00040739) USER32.dll
(00036EA5) USER32.dll
(00036AA5) USER32.dll
(0003AF7D) USER32.dll
(000744EB) ntdll.dll.KiUserCallbackDispatcher
(0041BDC1) Vcl::Controls::TWinControl::DestroyWnd
(0049F806) Customdirview::TCustomDirView::DestroyWnd
(00484725) Ielistview::TCustomIEListView::CMRecreateWnd
(0041CE19) Vcl::Controls::TWinControl::WndProc
(0046010F) Vcl::Comctrls::TCustomListView::WndProc

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 6.4

Error message:
Ошибка доступа к памяти.

Трассировка стека:
(0047DD44) Compthread::TCompThread::Suspend
(00087A7F) ntdll.dll
(000740D1) ntdll.dll.KiUserExceptionDispatcher
(0041CE19) Vcl::Controls::TWinControl::WndProc
(0046010F) Vcl::Comctrls::TCustomListView::WndProc
(0023A4A8) System::Classes::_18201
(0003FEA9) USER32.dll
(00036E55) USER32.dll
(00036532) USER32.dll
(000346D6) USER32.dll.CallWindowProcW
(00079E57) COMCTL32.DLL
(00079EF6) COMCTL32.DLL
(00079CAC) COMCTL32.DLL
(0003FEA9) USER32.dll
(00036E55) USER32.dll
(00036A55) USER32.dll
(0003A61D) USER32.dll
(0007408B) ntdll.dll.KiUserCallbackDispatcher
(0041BDC1) Vcl::Controls::TWinControl::DestroyWnd
(0049F806) Customdirview::TCustomDirView::DestroyWnd
(00484725) Ielistview::TCustomIEListView::CMRecreateWnd
(0041CE19) Vcl::Controls::TWinControl::WndProc
(0046010F) Vcl::Comctrls::TCustomListView::WndProc

The problem happens rarely. I cannot reproduce it.

<When the application leaves unattended (stand by) for a long time>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.4

Error message:
Acceso a memoria no válido

Rastreo de la pila:
(0047DD44) Compthread::TCompThread::Suspend
(00087FFF) ntdll.dll
(00074531) ntdll.dll.KiUserExceptionDispatcher
(0041CE19) Vcl::Controls::TWinControl::WndProc
(0046010F) Vcl::Comctrls::TCustomListView::WndProc
(0023A4A8) System::Classes::_18201
(00040739) USER32.dll
(00036EA5) USER32.dll
(00036661) USER32.dll.GetSystemMetricsForDpi
(00034E86) USER32.dll.CallWindowProcW
(00079E97) COMCTL32.DLL
(00079F36) COMCTL32.DLL
(00079CEC) COMCTL32.DLL
(00040739) USER32.dll
(00036EA5) USER32.dll
(00036AA5) USER32.dll
(0003AF7D) USER32.dll
(000744EB) ntdll.dll.KiUserCallbackDispatcher
(0041BDC1) Vcl::Controls::TWinControl::DestroyWnd
(0049F806) Customdirview::TCustomDirView::DestroyWnd
(00484725) Ielistview::TCustomIEListView::CMRecreateWnd
(0041CE19) Vcl::Controls::TWinControl::WndProc
(0046010F) Vcl::Comctrls::TCustomListView::WndProc

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 6.3.3

Error message:
Invalid access to memory.

Stack trace:
(0046A2B4) Compthread::TCompThread::Suspend
(0009812F) ntdll.dll
(00077D31) ntdll.dll.KiUserExceptionDispatcher
(00496D36) Dirview::TDirView::SetPath
(004A3817) Driveview::TDriveView::Change
(0043F52A) Vcl::Comctrls::TCustomTreeView::CNNotify
(00492DE9) Customdriveview::TCustomDriveView::CNNotify
(00409495) Vcl::Controls::TWinControl::WndProc
(0043F7E6) Vcl::Comctrls::TCustomTreeView::WndProc
(004095FB) Vcl::Controls::_17076
(00409495) Vcl::Controls::TWinControl::WndProc
(00408ADC) Vcl::Controls::TWinControl::MainWndProc
(002271BC) System::Classes::_18201
(00031E51) USER32.dll
(00022C21) USER32.dll
(000226A5) USER32.dll
(0002C5BD) USER32.dll
(00077CEB) ntdll.dll.KiUserCallbackDispatcher
(000385C3) USER32.dll
(00021701) USER32.dll.SendMessageW
(0009A186) COMCTL32.DLL
(00051FA8) COMCTL32.DLL
(00051E88) COMCTL32.DLL
(0004AB4B) COMCTL32.DLL
(00031E51) USER32.dll
(00022C21) USER32.dll
(00022592) USER32.dll.CallWindowProcW
(004095A6) Vcl::Controls::TWinControl::DefaultHandler
(00409495) Vcl::Controls::TWinControl::WndProc
(0043F7E6) Vcl::Comctrls::TCustomTreeView::WndProc
(002271BC) System::Classes::_18201
(00031E51) USER32.dll
(00022C21) USER32.dll
(00022592) USER32.dll.CallWindowProcW
(004C32DF) Dragdrop::TDragDrop::WndMethod
(002271BC) System::Classes::_18201
(00031E51) USER32.dll
(00022C21) USER32.dll
(000226A5) USER32.dll
(0002C5BD) USER32.dll
(00077CEB) ntdll.dll.KiUserCallbackDispatcher
(000385C3) USER32.dll
(00021701) USER32.dll.SendMessageW
(001D4267) Winapi::Commctrl::TreeView_SelectItem
(004A6C86) Driveview::TDriveView::SetDirectory
(004A406A) Driveview::TDriveView::DriveRemoved
(004A22F1) Driveview::TDriveView::DriveRemoving
(004A249E) Driveview::TDriveView::InternalWndProc
(002271BC) System::Classes::_18201
(00031E51) USER32.dll
(00022C21) USER32.dll
(000226A5) USER32.dll
(00092214) USER32.dll
(00077CEB) ntdll.dll.KiUserCallbackDispatcher
(0002B4D4) USER32.dll.PeekMessageW
(0046A32F) Compthread::TCompThread::WaitFor
(00496D36) Dirview::TDirView::SetPath
(004A3817) Driveview::TDriveView::Change
(0043F52A) Vcl::Comctrls::TCustomTreeView::CNNotify
(00492DE9) Customdriveview::TCustomDriveView::CNNotify
(00409495) Vcl::Controls::TWinControl::WndProc
(0043F7E6) Vcl::Comctrls::TCustomTreeView::WndProc
(004095FB) Vcl::Controls::_17076
(00409495) Vcl::Controls::TWinControl::WndProc
(00408ADC) Vcl::Controls::TWinControl::MainWndProc
(002271BC) System::Classes::_18201
(00031E51) USER32.dll
(00022C21) USER32.dll
(000226A5) USER32.dll
(0002C5BD) USER32.dll
(00077CEB) ntdll.dll.KiUserCallbackDispatcher
(000385C3) USER32.dll
(00021701) USER32.dll.SendMessageW
(0009A186) COMCTL32.DLL
(00051FA8) COMCTL32.DLL
(00051E88) COMCTL32.DLL
(0004AB4B) COMCTL32.DLL
(00031E51) USER32.dll
(00022C21) USER32.dll
(00022592) USER3

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:
Invalid access to memory.

Stack trace:
(00457098) Compthread::TCompThread::Suspend
(00087AEF) ntdll.dll
(00073FB1) ntdll.dll.KiUserExceptionDispatcher
(00485823) Dirview::TDirView::Reload2
(00487C1C) Dirview::TDirView::TimerOnTimer
(00214D34) System::Classes::_18201
(00040379) USER32.dll
(00037345) USER32.dll
(000350B5) USER32.dll
(00034E7B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

When I first opened WinSCP, everything (not just file transfer, just basic navigation like clicking "help") was extremely slow to the point of being unusable. Closing/reopening the app didn't help, and neither did restarting my computer entirely. Finally, I just left WinSCP open on my computer and disconnected it from the internet/put it in sleep mode for a few hours. When I re-opened my computer much later, I got this error.


WinSCP 6.1.2

Error message:
Invalid access to memory.

Stack trace:
(004579B0) Compthread::TCompThread::Suspend
(00087A7F) ntdll.dll
(000740D1) ntdll.dll.KiUserExceptionDispatcher
(0048613B) Dirview::TDirView::Reload2
(00488534) Dirview::TDirView::TimerOnTimer
(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.

<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:
Acesso inválido à memória

Rastreamento de pilha:
(004579B0) Compthread::TCompThread::Suspend
(0006248E) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(0048613B) Dirview::TDirView::Reload2
(00488534) Dirview::TDirView::TimerOnTimer
(0021564C) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167CE) USER32.dll
(00016895) 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 6.2

Error message:
Unzulässiger Zugriff auf einen Speicherbereich.

Stapelverfolgung:
(004684DC) Compthread::TCompThread::Suspend
(00D94A9E) C6543_3
(00D96B06) ____ExceptionHandler
(00D938C0) __ExceptionHandler
(00087A7F) ntdll.dll
(000740D1) ntdll.dll.KiUserExceptionDispatcher
(0048B4A2) Customdirview::TCustomDirView::Reload
(0049703D) Dirview::TDirView::Reload
(0001F3CC) TCustomScpExplorerForm::Synchronize
(0001EC4A) TCustomScpExplorerForm::DoSynchronize
(000BEE71) TSynchronizeController::SynchronizeChange
(0046B08E) Discmon::TDiscMonitor::Change
(0046A62E) Discmon::TDiscMonitorThread::InformChange
(0003FF49) USER32.dll
(00036EF5) USER32.dll
(00036AF5) USER32.dll
(0003A6BD) USER32.dll
(0007408B) ntdll.dll.KiUserCallbackDispatcher
(0003A8C9) USER32.dll.PeekMessageW
(003CB0AC) Vcl::Forms::TApplication::ProcessMessage
(00CB31FD) TSynchronizeDialog::Execute
(00CB27C1) DoSynchronizeDialog
(0001E918) TCustomScpExplorerForm::DoSynchronizeDirectories
(0005BFCB) TScpCommanderForm::SynchronizeDirectories
(00052C15) TNonVisualDataModule::ExplorerActionsExecute
(00273C4C) System::Actions::TContainedActionList::ExecuteAction

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:
Chyba přístupu do paměti.

Stack trace:
(004570FC) Compthread::TCompThread::Suspend
(0008792F) ntdll.dll
(00073F81) ntdll.dll.KiUserExceptionDispatcher
(00483A6A) Dirview::TDirView::SetPath
(004904C3) Driveview::TDriveView::Change
(0042C372) Vcl::Comctrls::TCustomTreeView::CNNotify
(0047FB11) Customdriveview::TCustomDriveView::CNNotify
(003F62DD) Vcl::Controls::TWinControl::WndProc
(0042C62E) Vcl::Comctrls::TCustomTreeView::WndProc
(003F6443) Vcl::Controls::_17076
(003F62DD) Vcl::Controls::TWinControl::WndProc
(003F5924) Vcl::Controls::TWinControl::MainWndProc
(00214D98) System::Classes::_18201
(00040039) USER32.dll
(00036FE5) USER32.dll
(00036BD5) USER32.dll
(0003A7AD) USER32.dll
(00073F3B) ntdll.dll.KiUserCallbackDispatcher
(000349FA) USER32.dll.SendMessageW
(00068881) COMCTL32.DLL
(00028892) COMCTL32.DLL
(00028767) COMCTL32.DLL
(0003EC58) COMCTL32.DLL
(00040039) USER32.dll
(00036FE5) USER32.dll
(000366B2) USER32.dll
(00034856) USER32.dll.CallWindowProcW
(003F63EE) Vcl::Controls::TWinControl::DefaultHandler
(003F62DD) Vcl::Controls::TWinControl::WndProc
(0042C62E) Vcl::Comctrls::TCustomTreeView::WndProc
(00214D98) System::Classes::_18201
(00040039) USER32.dll
(00036FE5) USER32.dll
(000366B2) USER32.dll
(00034856) USER32.dll.CallWindowProcW
(004AFCAF) Dragdrop::TDragDrop::WndMethod
(00214D98) System::Classes::_18201
(00040039) USER32.dll
(00036FE5) USER32.dll
(00036BD5) USER32.dll
(0003A7AD) USER32.dll
(00073F3B) ntdll.dll.KiUserCallbackDispatcher
(000349FA) USER32.dll.SendMessageW
(001CED07) Winapi::Commctrl::TreeView_SelectItem
(0049387E) Driveview::TDriveView::SetDirectory
(00490D16) Driveview::TDriveView::DriveRemoved
(0049102D) Driveview::TDriveView::RefreshRootNodes
(0048F1B1) Driveview::TDriveView::InternalWndProc
(00214D98) System::Classes::_18201
(00040039) USER32.dll
(00036FE5) USER32.dll
(00034D45) USER32.dll
(00034B0B) 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)>

Choosing an external drive that Windows did not recognize as properly formatted led to WinSCP freezing. Unplugging the external drive resulted in both Windows Explorer crashing and the prompt to submit an error report to WinSCP.

WinSCP 6.1.2

Error message:
Invalid access to memory.

Stack trace:
(004579B0) Compthread::TCompThread::Suspend
(000980EF) ntdll.dll
(00077C61) ntdll.dll.KiUserExceptionDispatcher
(0048431E) Dirview::TDirView::SetPath
(00490D77) Driveview::TDriveView::Change
(0042CC26) Vcl::Comctrls::TCustomTreeView::CNNotify
(004803C5) Customdriveview::TCustomDriveView::CNNotify
(003F6B91) Vcl::Controls::TWinControl::WndProc
(0042CEE2) Vcl::Comctrls::TCustomTreeView::WndProc
(003F6CF7) Vcl::Controls::_17076
(003F6B91) Vcl::Controls::TWinControl::WndProc
(003F61D8) Vcl::Controls::TWinControl::MainWndProc
(0021564C) System::Classes::_18201
(00031DB1) USER32.dll
(00022BA1) USER32.dll
(00022625) USER32.dll
(0002C52D) USER32.dll
(00077C1B) ntdll.dll.KiUserCallbackDispatcher
(00038523) USER32.dll
(00021681) USER32.dll.SendMessageW
(0009A196) COMCTL32.DLL
(00051FA8) COMCTL32.DLL
(00051E88) COMCTL32.DLL
(0004AB4B) COMCTL32.DLL
(00031DB1) USER32.dll
(00022BA1) USER32.dll
(00022512) USER32.dll.CallWindowProcW
(003F6CA2) Vcl::Controls::TWinControl::DefaultHandler
(003F6B91) Vcl::Controls::TWinControl::WndProc
(0042CEE2) Vcl::Comctrls::TCustomTreeView::WndProc
(0021564C) System::Classes::_18201
(00031DB1) USER32.dll
(00022BA1) USER32.dll
(00022512) USER32.dll.CallWindowProcW
(004B0563) Dragdrop::TDragDrop::WndMethod
(0021564C) System::Classes::_18201
(00031DB1) USER32.dll
(00022BA1) USER32.dll
(00022625) USER32.dll
(0002C52D) USER32.dll
(00077C1B) ntdll.dll.KiUserCallbackDispatcher
(00038523) USER32.dll
(00021681) USER32.dll.SendMessageW
(001CF5BB) Winapi::Commctrl::TreeView_SelectItem
(00494132) Driveview::TDriveView::SetDirectory
(00484292) Dirview::TDirView::SetPath
(00488B4F) Dirview::TDirView::ExecuteDrive
(0005EC49) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm::DoLocalPathComboBoxItemClick
(0005EC86) TScpCommanderForm:

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 5.21.8

Error message:
Ошибка доступа к памяти.

Трассировка стека:
(00448078) Compthread::TCompThread::Suspend
(0006246E) ntdll.dll
(0000F12E) ntdll.dll.KiUserExceptionDispatcher
(00476AB3) Dirview::TDirView::Reload2
(00478F14) Dirview::TDirView::TimerOnTimer
(003C9C40) System::Classes::_18201
(00015307) USER32.dll
(00015D45) USER32.dll
(000167D2) USER32.dll
(00016895) 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:
Invalid access to memory.

Stack trace:
(00448078) Compthread::TCompThread::Suspend
(000974CF) ntdll.dll
(00077751) ntdll.dll.KiUserExceptionDispatcher
(00476AB3) Dirview::TDirView::Reload2
(00478F14) Dirview::TDirView::TimerOnTimer
(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.)>
I don't know what happened. I hadn't clicked anywhere for a while (a number of seconds). I think I went back to the browser with Alt+Tab.

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

WinSCP 5.21.6

Error message:
Invalid access to memory.

Stack trace:
(0044804C) Compthread::TCompThread::Suspend
(00087B7F) ntdll.dll
(00074001) ntdll.dll.KiUserExceptionDispatcher
(00474B9A) Dirview::TDirView::SetPath
(004816B7) Driveview::TDriveView::Change
(002B8526) Vcl::Comctrls::TCustomTreeView::CNNotify
(00470A61) Customdriveview::TCustomDriveView::CNNotify
(00282491) Vcl::Controls::TWinControl::WndProc
(002B87E2) Vcl::Comctrls::TCustomTreeView::WndProc
(002825F7) Vcl::Controls::_17076
(00282491) Vcl::Controls::TWinControl::WndProc
(00281AD8) Vcl::Controls::TWinControl::MainWndProc
(003C9C14) System::Classes::_18201
(00040489) USER32.dll
(00037445) USER32.dll
(00037045) USER32.dll
(0003AC0D) USER32.dll
(00073FBB) ntdll.dll.KiUserCallbackDispatcher
(00034E6A) USER32.dll.SendMessageW
(00068881) COMCTL32.DLL
(00028892) COMCTL32.DLL
(00028767) COMCTL32.DLL
(0003EC58) COMCTL32.DLL
(00040489) USER32.dll
(00037445) USER32.dll
(00036B22) USER32.dll
(00034CC6) USER32.dll.CallWindowProcW
(002825A2) Vcl::Controls::TWinControl::DefaultHandler
(00282491) Vcl::Controls::TWinControl::WndProc
(002B87E2) Vcl::Comctrls::TCustomTreeView::WndProc
(003C9C14) System::Classes::_18201
(00040489) USER32.dll
(00037445) USER32.dll
(00036B22) USER32.dll
(00034CC6) USER32.dll.CallWindowProcW
(004A18D3) Dragdrop::TDragDrop::WndMethod
(003C9C14) System::Classes::_18201
(00040489) USER32.dll
(00037445) USER32.dll
(00037045) USER32.dll
(0003AC0D) USER32.dll
(00073FBB) ntdll.dll.KiUserCallbackDispatcher
(00034E6A) USER32.dll.SendMessageW
(003870EB) Winapi::Commctrl::TreeView_SelectItem
(004849CE) Driveview::TDriveView::SetDirectory
(00474B0E) Dirview::TDirView::SetPath
(0005275D) TScpCommanderForm::TerminalChanged
(000078E2) TCustomScpExplorerForm::DoSetTerminal
(00007892) TCustomScpExplorerForm::SetTerminal
(000B34D3) TTerminalManager::ConnectActiveTerminal
(000B3E14) TTerminalManager::DoSetActiveTerminal
(000B3B42) TTerminalManager::SetActiveTerminal
(000226AC) TCustomScpExplorerForm::SessionsPageControlChange
(00282491) Vcl::Controls::TWinControl::WndProc
(0027D588) Vcl::Controls::TControl::Perform
(002825F7) Vcl::Controls::_17076
(00282491) Vcl::Controls::TWinControl::WndProc
(0023C958) Vcl::Forms::TCustomForm::WndProc

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 5.21.1

Error message:
Acceso a memoria no válido

Traza de la pila:
(004469D8) Compthread::TCompThread::Suspend
(000879EF) ntdll.dll
(00073EE1) ntdll.dll.KiUserExceptionDispatcher
(00475413) Dirview::TDirView::Reload2
(00477874) Dirview::TDirView::TimerOnTimer
(003C85A0) System::Classes::_18201
(0003FF19) USER32.dll
(00036EC5) USER32.dll
(00034C35) USER32.dll
(000349FB) 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)>

My laptop ran out of battery while hibernating, this happens quite often, when I turned it back on I got this error, I wasn't trying to use WinSCP at the time. I have not had this error before.

WinSCP 5.19.6

Error message:
Invalid access to memory.

Stack trace:
(00445F9C) Compthread::TCompThread::Suspend
(0008784F) ntdll.dll
(00073EC1) ntdll.dll.KiUserExceptionDispatcher
(00472592) Dirview::TDirView::SetPath
(0047EDA7) Driveview::TDriveView::Change
(002B6476) Vcl::Comctrls::TCustomTreeView::CNNotify
(0046E459) Customdriveview::TCustomDriveView::CNNotify
(002803E1) Vcl::Controls::TWinControl::WndProc
(002B6732) Vcl::Comctrls::TCustomTreeView::WndProc
(00280547) Vcl::Controls::_17076
(002803E1) Vcl::Controls::TWinControl::WndProc
(0027FA28) Vcl::Controls::TWinControl::MainWndProc
(003C7B64) System::Classes::_18201
(0003FFC9) USER32.dll
(00036F95) USER32.dll
(00036B95) USER32.dll
(0003A75D) USER32.dll
(00073E7B) ntdll.dll.KiUserCallbackDispatcher
(000349AA) USER32.dll.SendMessageW
(00068881) COMCTL32.DLL
(00028892) COMCTL32.DLL
(00028767) COMCTL32.DLL
(0003C0EF) COMCTL32.DLL
(0003B9FB) COMCTL32.DLL
(0003EBE1) COMCTL32.DLL
(0003FFC9) USER32.dll
(00036F95) USER32.dll
(00036672) USER32.dll
(00034806) USER32.dll.CallWindowProcW
(002804F2) Vcl::Controls::TWinControl::DefaultHandler
(002803E1) Vcl::Controls::TWinControl::WndProc
(002B6732) Vcl::Comctrls::TCustomTreeView::WndProc
(003C7B64) System::Classes::_18201
(0003FFC9) USER32.dll
(00036F95) USER32.dll
(00036672) USER32.dll
(00034806) USER32.dll.CallWindowProcW
(0049E76B) Dragdrop::TDragDrop::WndMethod
(003C7B64) System::Classes::_18201
(0003FFC9) USER32.dll
(00036F95) USER32.dll
(00036B95) USER32.dll
(0003A75D) USER32.dll
(00073E7B) ntdll.dll.KiUserCallbackDispatcher
(000349AA) USER32.dll.SendMessageW
(002B1BFD) Vcl::Comctrls::TTreeNode::~TTreeNode
(0047DAD7) Driveview::TDriveView::InternalWndProc
(003C7B64) System::Classes::_18201
(0003FFC9) USER32.dll
(00036F95) USER32.dll
(00034CF5) USER32.dll
(00034ABB) 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:
Invalid access to memory.

Stack trace:
(00445E10) Compthread::TCompThread::Suspend
(00FBC612) C5294_3
(00FBE67A) ____ExceptionHandler
(00FBB434) __ExceptionHandler
(0003EC9E) ntdll.dll.ZwWow64CallFunction64
(0003F42A) ntdll.dll.KiUserExceptionDispatcher
(00468929) Customdirview::TCustomDirView::Reload
(004745B5) Dirview::TDirView::Reload
(000532AC) TScpCommanderForm::FileOperationProgress
(0000A072) TCustomScpExplorerForm::OperationProgress
(000B221A) TTerminalManager::OperationProgress
(00CAFDA6) TFileOperationProgressType::DoProgress
(00DD521B) TTerminal::SynchronizeApply
(0001C79E) TCustomScpExplorerForm::FullSynchronize
(0001D6EB) TCustomScpExplorerForm::DoFullSynchronize
(00E6E82D) TSynchronizeChecklistDialog::OkButtonClick
(0027BC67) Vcl::Controls::TControl::Click
(00280255) Vcl::Controls::TWinControl::WndProc
(001E83E4) Vcl::Stdctrls::TButtonControl::WndProc
(002803BB) Vcl::Controls::_17076
(00280255) Vcl::Controls::TWinControl::WndProc
(0027F89C) Vcl::Controls::TWinControl::MainWndProc
(003C79D8) System::Classes::_18201
(00007FFF) USER32.DLL.CallNextHookEx
(0000825C) USER32.DLL
(000084B7) USER32.DLL
(000086B7) USER32.DLL
(0003F404) ntdll.dll.KiUserCallbackDispatcher
(0000DA14) USER32.DLL.SendMessageW
(0005074D) COMCTL32.DLL
(000507E5) COMCTL32.DLL
(00007FFF) USER32.DLL.CallNextHookEx
(0000825C) USER32.DLL
(00010350) USER32.DLL.CallWindowProcW
(00280366) Vcl::Controls::TWinControl::DefaultHandler
(00280255) Vcl%3

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.)>

Happened during moving (F6) about 150000 files from ftp to local.
None user event, downloading minimized in tray.

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

WinSCP 5.17.10

Error message:
Chyba přístupu do paměti.

Stack trace:
(004241E4) Compthread::TCompThread::Suspend
(0008788F) ntdll.dll
(00073EC1) ntdll.dll.KiUserExceptionDispatcher
(004521D9) Dirview::TDirView::Reload2
(0045489C) Dirview::TDirView::TimerOnTimer
(003A5978) 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 5.17.10

Error message:
Ongeldige toegang tot geheugen.

Stack trace:
(004241E4) Compthread::TCompThread::Suspend
(000878AF) ntdll.dll
(00073EE1) ntdll.dll.KiUserExceptionDispatcher
(0027AD15) Vcl::Controls::TWinControl::WndProc
(002BDFEF) Vcl::Comctrls::TCustomListView::WndProc
(003A5978) System::Classes::_18201
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00034552) USER32.dll
(000326F6) USER32.dll.CallWindowProcW
(00079E57) COMCTL32.DLL
(00079EF6) COMCTL32.DLL
(00079CAC) COMCTL32.DLL
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00034552) USER32.dll
(000326F6) USER32.dll.CallWindowProcW
(0047CCAF) Dragdrop::TDragDrop::WndMethod
(003A5978) System::Classes::_18201
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00034A75) USER32.dll
(0003863D) USER32.dll
(00073E9B) ntdll.dll.KiUserCallbackDispatcher
(0023745F) Vcl::Forms::TCustomForm::DestroyWindowHandle
(00006309) Vcl::Forms::TForm::~TForm
(00006024) TCustomScpExplorerForm::~TCustomScpExplorerForm
(0004D0EE) TScpCommanderForm::~TScpCommanderForm
(0010372D) Execute
(00002658) wWinMain
(00F8814D) __wstartup
(00066A9C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066A69) 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 5.17.10

Error message:
Invalid access to memory.

Stack trace:
(004241E4) Compthread::TCompThread::Suspend
(0008788F) ntdll.dll
(00073EC1) ntdll.dll.KiUserExceptionDispatcher
(004503B5) Dirview::TDirView::SetPath
(0045CE43) Driveview::TDriveView::Change
(002B0DAA) Vcl::Comctrls::TCustomTreeView::CNNotify
(0044C359) Customdriveview::TCustomDriveView::CNNotify
(0027AD15) Vcl::Controls::TWinControl::WndProc
(002B1066) Vcl::Comctrls::TCustomTreeView::WndProc
(0027AE7B) Vcl::Controls::_17076
(0027AD15) Vcl::Controls::TWinControl::WndProc
(0027A35C) Vcl::Controls::TWinControl::MainWndProc
(003A5978) System::Classes::_18201
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00034A75) USER32.dll
(0003863D) USER32.dll
(00073E7B) ntdll.dll.KiUserCallbackDispatcher
(0003289A) USER32.dll.SendMessageW
(00068881) COMCTL32.DLL
(000288A2) COMCTL32.DLL
(00028777) COMCTL32.DLL
(0003EC68) COMCTL32.DLL
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00034552) USER32.dll
(000326F6) USER32.dll.CallWindowProcW
(0027AE26) Vcl::Controls::TWinControl::DefaultHandler
(0027AD15) Vcl::Controls::TWinControl::WndProc
(002B1066) Vcl::Comctrls::TCustomTreeView::WndProc
(003A5978) System::Classes::_18201
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00034552) USER32.dll
(000326F6) USER32.dll.CallWindowProcW
(0047CCAF) Dragdrop::TDragDrop::WndMethod
(003A5978) System::Classes::_18201
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00034A75) USER32.dll
(0003863D) USER32.dll
(00073E7B) ntdll.dll.KiUserCallbackDispatcher
(0003289A) USER32.dll.SendMessageW
(00362D03) Winapi::Commctrl::TreeView_SelectItem
(00460222) Driveview::TDriveView::SetDirectory
(00450321) Dirview::TDirView::SetPath
(00454C99) Dirview::TDirView::ExecuteFile
(00448141) Customdirview::TCustomDirView::Execute
(00445A92) Customdirview::TCustomDirView::DoExecute
(00446691) Customdirview::TCustomDirView::WMLButtonDblClk
(0027AD15) Vcl::Controls::TWinControl::WndProc
(002BDFEF) Vcl::Comctrls::TCustomListView::WndProc
(003A5978) System::Classes::_18201
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00034552) USER32.dll
(000326F6) USER32.dll.CallWindowProcW
(00079E57) COMCTL32.DLL
(00079EF6) COMCTL32.DLL
(00079CAC) COMCTL32.DLL
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00034552) USER32.dll
(000326F6) USER32.dll.CallWindowProcW
(0047CCAF) Dragdrop::TDragDrop::WndMethod
(003A5978) 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 5.17.7

Error message:
Invalid access to memory.

Stack trace:
(00423414) Compthread::TCompThread::Suspend
(00057076) ntdll.dll
(0000F12E) ntdll.dll.KiUserExceptionDispatcher
(00451409) Dirview::TDirView::Reload2
(00453AFC) Dirview::TDirView::TimerOnTimer
(003A4BA8) System::Classes::_18201
(00015307) USER32.dll
(00015D45) USER32.dll
(000167D2) USER32.dll
(00016895) 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 5.17.9

Error message:
Invalid access to memory.

Stack trace:
(004241C0) Compthread::TCompThread::Suspend
(000861AF) ntdll.dll
(00072B31) ntdll.dll.KiUserExceptionDispatcher
(00450391) Dirview::TDirView::SetPath
(0045CE1F) Driveview::TDriveView::Change
(002B0D86) Vcl::Comctrls::TCustomTreeView::CNNotify
(0044C335) Customdriveview::TCustomDriveView::CNNotify
(0027ACF1) Vcl::Controls::TWinControl::WndProc
(002B1042) Vcl::Comctrls::TCustomTreeView::WndProc
(0027AE57) Vcl::Controls::_17076
(0027ACF1) Vcl::Controls::TWinControl::WndProc
(0027A338) Vcl::Controls::TWinControl::MainWndProc
(003A5954) System::Classes::_18201
(0003DF59) USER32.dll
(00034ED5) USER32.dll
(00034AD5) USER32.dll
(0003869D) USER32.dll
(00072AEB) ntdll.dll.KiUserCallbackDispatcher
(000328FA) USER32.dll.SendMessageW
(00069321) COMCTL32.DLL
(00029022) COMCTL32.DLL
(00028EF7) COMCTL32.DLL
(0003F498) COMCTL32.DLL
(0003DF59) USER32.dll
(00034ED5) USER32.dll
(000345B2) USER32.dll
(00032756) USER32.dll.CallWindowProcW
(0027AE02) Vcl::Controls::TWinControl::DefaultHandler
(0027ACF1) Vcl::Controls::TWinControl::WndProc
(002B1042) Vcl::Comctrls::TCustomTreeView::WndProc
(003A5954) System::Classes::_18201
(0003DF59) USER32.dll
(00034ED5) USER32.dll
(000345B2) USER32.dll
(00032756) USER32.dll.CallWindowProcW
(0047CC8B) Dragdrop::TDragDrop::WndMethod
(003A5954) System::Classes::_18201
(0003DF59) USER32.dll
(00034ED5) USER32.dll
(00034AD5) USER32.dll
(0003869D) USER32.dll
(00072AEB) ntdll.dll.KiUserCallbackDispatcher
(000328FA) USER32.dll.SendMessageW
(00362CDF) Winapi::Commctrl::TreeView_SelectItem
(004601FE) Driveview::TDriveView::SetDirectory
(004502FD) Dirview::TDirView::SetPath
(00454C75) Dirview::TDirView::ExecuteFile
(0044811D) Customdirview::TCustomDirView::Execute
(00445A6E) Customdirview::TCustomDirView::DoExecute
(0044666D) Customdirview::TCustomDirView::WMLButtonDblClk
(0027ACF1) Vcl::Controls::TWinControl::WndProc
(002BDFCB) Vcl::Comctrls::TCustomListView::WndProc
(003A5954) System::Classes::_18201
(0003DF59) USER32.dll
(00034ED5) USER32.dll
(000345B2) USER32.dll
(00032756) USER32.dll.CallWindowProcW
(0007A8E7) COMCTL32.DLL
(0007A986) COMCTL32.DLL
(0007A73C) COMCTL32.DLL
(0003DF59) USER32.dll
(00034ED5) USER32.dll
(000345B2) USER32.dll
(00032756) USER32.dll.CallWindowProcW
(0047CC8B) Dragdrop::TDragDrop::WndMethod
(003A5954) System::Classes::_18201
(0003DF59) USER32.dll
(00034ED5) USER32.dll
(00032C45) USER32.dll
(00032A0B) 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 5.17.5

Error message:
Invalid access to memory.

Stack trace:
(0042330C) Compthread::TCompThread::Suspend
(0004388A) ntdll.dll
(0001D4FE) ntdll.dll.KiUserExceptionDispatcher
(0045126D) Dirview::TDirView::Reload2
(00453960) Dirview::TDirView::TimerOnTimer
(003A4AA8) System::Classes::_18201
(000177F4) USER32.dll
(0001794D) USER32.dll
(00017A98) USER32.dll
(00017AEB) 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 5.17.8

Error message:
Invalid access to memory.

Stack trace:
(00424130) Compthread::TCompThread::Suspend
(00087E3F) ntdll.dll
(000732D1) ntdll.dll.KiUserExceptionDispatcher
(00452125) Dirview::TDirView::Reload2
(00454818) Dirview::TDirView::TimerOnTimer
(003A58C4) System::Classes::_18201
(000435C9) USER32.dll
(000240D7) USER32.dll
(00023229) USER32.dll
(0002300B) 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 5.17.6

Error message:
Acceso a memoria no válido

Traza de la pila:
(00423334) Compthread::TCompThread::Suspend
(00087D7F) ntdll.dll
(00073221) ntdll.dll.KiUserExceptionDispatcher
(00451295) Dirview::TDirView::Reload2
(00453988) Dirview::TDirView::TimerOnTimer
(003A4AC8) System::Classes::_18201
(00043389) USER32.dll
(00023F87) USER32.dll
(000230D9) USER32.dll
(00022EBB) 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 5.17.2

Error message:
Invalid access to memory.

Stack trace:
(00422DDC) Compthread::TCompThread::Suspend
(0007E1AF) ntdll.dll
(0006BD91) ntdll.dll.KiUserExceptionDispatcher
(0044EEA6) Dirview::TDirView::SetPath
(0045B963) Driveview::TDriveView::Change
(002AF9AA) Vcl::Comctrls::TCustomTreeView::CNNotify
(0044AEB1) Customdriveview::TCustomDriveView::CNNotify
(00279915) Vcl::Controls::TWinControl::WndProc
(002AFC66) Vcl::Comctrls::TCustomTreeView::WndProc
(00279A7B) Vcl::Controls::_17076
(00279915) Vcl::Controls::TWinControl::WndProc
(00278F5C) Vcl::Controls::TWinControl::MainWndProc
(003A4578) System::Classes::_18201
(0003AAF9) USER32.dll
(00036E75) USER32.dll
(00036A15) USER32.dll
(00039167) USER32.dll
(0006BD4B) ntdll.dll.KiUserCallbackDispatcher
(0001AFA2) USER32.dll.SendMessageW
(0003947D) COMCTL32.dll
(000B83F5) COMCTL32.dll
(000B8024) COMCTL32.dll
(000B9AF9) COMCTL32.dll
(0003AAF9) USER32.dll
(00036E75) USER32.dll
(00016E48) USER32.dll.CallWindowProcW
(00279A26) Vcl::Controls::TWinControl::DefaultHandler
(00279915) Vcl::Controls::TWinControl::WndProc
(002AFC66) Vcl::Comctrls::TCustomTreeView::WndProc
(003A4578) System::Classes::_18201
(0003AAF9) USER32.dll
(00036E75) USER32.dll
(00016E48) USER32.dll.CallWindowProcW
(0047B67F) Dragdrop::TDragDrop::WndMethod
(003A4578) System::Classes::_18201
(0003AAF9) USER32.dll
(00036E75) USER32.dll
(00036A15) USER32.dll
(00039167) USER32.dll
(0006BD4B) ntdll.dll.KiUserCallbackDispatcher
(0001AFA2) USER32.dll.SendMessageW
(00361903) Winapi::Commctrl::TreeView_SelectItem
(0045ED42) Driveview::TDriveView::SetDirectory
(0044EE1D) Dirview::TDirView::SetPath
(0004E325) TScpCommanderForm::TerminalChanged
(00006F7E) TCustomScpExplorerForm::DoSetTerminal
(00006F2E) TCustomScpExplorerForm::SetTerminal
(000ABB14) TTerminalManager::ConnectActiveTerminal
(000AC42D) TTerminalManager::DoSetActiveTerminal
(000AC17A) TTerminalManager::SetActiveTerminal
(000207F7) TCustomScpExplorerForm::NeedSession
(00028238) TCustomScpExplorerForm::CMShowingChanged
(0002806E) TCustomScpExplorerForm::Dispatch
(00279915) Vcl::Controls::TWinControl::WndProc
(00233DDC) Vcl::Forms::TCustomForm::WndProc
(00E3EEF0) Vclcommon::C2992_0

The problem happens rarely. I cannot reproduce it.

did nothing other than close the laptop and opened it later, didn't go to sleep, just lost connection.

WinSCP 5.17.1

Error message:
Invalid access to memory.

Stack trace:
(00422DDC) Compthread::TCompThread::Suspend
(00F84E6A) C5296_3
(00F86ED2) ____ExceptionHandler
(00F83C8C) __ExceptionHandler
(0007E19F) ntdll.dll
(0006BD81) ntdll.dll.KiUserExceptionDispatcher
(0044553D) Customdirview::TCustomDirView::Reload
(00450F8D) Dirview::TDirView::Reload
(0001B464) TCustomScpExplorerForm::Synchronize
(0001AD21) TCustomScpExplorerForm::DoSynchronize
(000A9DCB) TSynchronizeController::SynchronizeChange
(0042598E) Discmon::TDiscMonitor::Change
(00424F2E) Discmon::TDiscMonitorThread::InformChange
(0003AAF9) USER32.dll
(00036E75) USER32.dll
(00036A15) USER32.dll
(00039167) USER32.dll
(0006BD3B) ntdll.dll.KiUserCallbackDispatcher
(00037B2F) USER32.dll.PeekMessageW
(0023D2BC) Vcl::Forms::TApplication::ProcessMessage
(00E317FD) TSynchronizeDialog::Execute
(00E30E61) DoSynchronizeDialog
(0001AA19) TCustomScpExplorerForm::DoSynchronizeDirectories
(0004FD63) TScpCommanderForm::SynchronizeDirectories
(00047BB2) TNonVisualDataModule::ExplorerActionsExecute
(003E7F9C) System::Actions::TContainedActionList::ExecuteAction
(001C6B85) Vcl::Actnlist::TCustomAction::Execute
(003A4578) System::Classes::_18201
(0003AAF9) USER32.dll
(00036E75) USER32.dll
(00036729) USER32.dll
(0003650B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.