Invalid access to memory - Iedriveinfo::TDriveInfo::ReadDriveStatus

<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 5.7.7

Error message:
Naruszenie ochrony pamęci.

Stack trace:
(00003E40) cfgmgr32.dll.DevFreeObjectProperties
(0008A61F) ntdll.dll
(00077E7A) ntdll.dll.KiUserExceptionDispatcher
(002BEF6C) windows.storage.dll
(002BD9FF) windows.storage.dll
(002BF573) SHELL32.dll
(0020CEB5) SHELL32.dll
(000B0465) SHELL32.dll
(000B0264) SHELL32.dll
(001F6C0B) SHELL32.dll
(001504B2) SHELL32.dll
(0014F462) SHELL32.dll.SHGetFileInfoW
(003F7083) Iedriveinfo::TDriveInfo::ReadDriveStatus
(003F6621) Iedriveinfo::TDriveInfo::GetImageIndex
(000405F4) TScpCommanderForm::LocalPathComboUpdateDrives
(0003A042) TScpCommanderForm::TScpCommanderForm
(001E0B32) Vcl::Forms::TApplication::CreateForm
(007912D7) _SafeFormCreate
(00002462) wWinMain
(007DEA01) C4667_0
(00064DE1) ntdll.dll
(00064DA9) ntdll.dll

(00003E40) cfgmgr32.dll.DevFreeObjectProperties
(007E08AA) C4799_0
(007E2912) ____ExceptionHandler
(007DF88C) __ExceptionHandler
(0008A61F) ntdll.dll
(00077E7A) ntdll.dll.KiUserExceptionDispatcher
(002BEF6C) windows.storage.dll
(002BD9FF) windows.storage.dll
(002BF573) SHELL32.dll
(0020CEB5) SHELL32.dll
(000B0465) SHELL32.dll
(000B0264) SHELL32.dll
(001F6C0B) SHELL32.dll
(001504B2) SHELL32.dll
(0014F462) SHELL32.dll.SHGetFileInfoW
(003F7083) Iedriveinfo::TDriveInfo::ReadDriveStatus
(003F6621) Iedriveinfo::TDriveInfo::GetImageIndex
(000405F4) TScpCommanderForm::LocalPathComboUpdateDrives
(0003A042) TScpCommanderForm::TScpCommanderForm
(001E0B32) Vcl::Forms::TApplication::CreateForm%

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 5.9.1

Error message:
Zugriffsverletzung - ungültiger Zugriff auf den Speicher.

Stack trace:
(00040AEE) ntdll.dll.RtlFreeHeap
(0003EE3E) ntdll.dll.ZwWow64CallFunction64
(0003F5BA) ntdll.dll.KiUserExceptionDispatcher
(00009552) cfgmgr32.dll.DevFreeObjectProperties
(0058BF91) SHELL32.DLL
(002FBDC8) SHELL32.DLL
(001EF7F1) SHELL32.DLL
(001C0544) SHELL32.DLL
(001C66D7) SHELL32.DLL
(001C6638) SHELL32.DLL
(000E117D) SHELL32.DLL
(000A03A9) SHELL32.DLL.SHGetFileInfoWWorker
(00423E9B) Iedriveinfo::TDriveInfo::ReadDriveStatus
(00423439) Iedriveinfo::TDriveInfo::GetImageIndex
(00046530) TScpCommanderForm::LocalPathComboUpdateDrives
(0003FBEA) TScpCommanderForm::TScpCommanderForm
(0021268E) Vcl::Forms::TApplication::CreateForm
(0080B667) _SafeFormCreate
(000024A8) wWinMain
(0086076D) __wstartup
(00059B8D) ntdll.dll
(00059B55) ntdll.dll

(00040AEE) ntdll.dll.RtlFreeHeap
(00862736) C5073_3
(0086479E) ____ExceptionHandler
(00861558) __ExceptionHandler
(0003EE3E) ntdll.dll.ZwWow64CallFunction64
(0003F5BA) ntdll.dll.KiUserExceptionDispatcher
(00009552) cfgmgr32.dll.DevFreeObjectProperties
(0058BF91) SHELL32.DLL
(002FBDC8) SHELL32.DLL
(001EF7F1) SHELL32.DLL
(001C0544) SHELL32.DLL
(001C66D7) SHELL32.DLL
(001C6638) SHELL32.DLL
(000E117D) SHELL32.DLL
(000A03A9) SHELL32.DLL.SHGetFileInfoWWorker
(00423E9B) Iedriveinfo::TDriveInfo::ReadDriveStatus
(00423439) Iedriveinfo::TDriveInfo::GetImageIndex
(00046530) TScpCommanderForm::LocalPathComboUpdateDrives
(0003FBEA) 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, cnsider attaching a session log file or a screenshot)>

simply started SCP

WinSCP 5.9.1

Error message:
Invalid access to memory.

Stack trace:
(00040AEE) ntdll.dll.RtlFreeHeap
(0003EE3E) ntdll.dll.ZwWow64CallFunction64
(0003F5BA) ntdll.dll.KiUserExceptionDispatcher
(00009552) cfgmgr32.dll.DevFreeObjectProperties
(0058BF91) SHELL32.DLL
(002FBDC8) SHELL32.DLL
(001EF7F1) SHELL32.DLL
(001C0544) SHELL32.DLL
(001C66D7) SHELL32.DLL
(001C6638) SHELL32.DLL
(000E117D) SHELL32.DLL
(000A03A9) SHELL32.DLL.SHGetFileInfoWWorker
(00423E9B) Iedriveinfo::TDriveInfo::ReadDriveStatus
(00423439) Iedriveinfo::TDriveInfo::GetImageIndex
(00046530) TScpCommanderForm::LocalPathComboUpdateDrives
(0003FBEA) TScpCommanderForm::TScpCommanderForm
(0021268E) Vcl::Forms::TApplication::CreateForm
(0080B667) _SafeFormCreate
(000024A8) wWinMain
(0086076D) __wstartup
(00059B8D) ntdll.dll
(00059B55) ntdll.dll

(00040AEE) ntdll.dll.RtlFreeHeap
(00862736) C5073_3
(0086479E) ____ExceptionHandler
(00861558) __ExceptionHandler
(0003EE3E) ntdll.dll.ZwWow64CallFunction64
(0003F5BA) ntdll.dll.KiUserExceptionDispatcher
(00009552) cfgmgr32.dll.DevFreeObjectProperties
(0058BF91) SHELL32.DLL
(002FBDC8) SHELL32.DLL
(001EF7F1) SHELL32.DLL
(001C0544) SHELL32.DLL
(001C66D7) SHELL32.DLL
(001C6638) SHELL32.DLL
(000E117D) SHELL32.DLL
(000A03A9) SHELL32.DLL.SHGetFileInfoWWorker
(00423E9B) Iedriveinfo::TDriveInfo::ReadDriveStatus
(00423439) Iedriveinfo::TDriveInfo::GetImageIndex
(00046530) TScpCommanderForm::LocalPathComboUpdateDrives
(0003FBEA) TScpCommanderForm::TScpCommanderForm
(0021268E)

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)>

Simply running WinSCP and logging in crashes it... everytime.

WinSCP 5.9.3

Error message:
Invalid access to memory.

Stack trace:
(00040AEE) ntdll.dll.RtlFreeHeap
(0003EE3E) ntdll.dll.ZwWow64CallFunction64
(0003F5BA) ntdll.dll.KiUserExceptionDispatcher
(00009552) cfgmgr32.dll.DevFreeObjectProperties
(0058BF91) SHELL32.DLL
(002FBDC8) SHELL32.DLL
(001EF7F1) SHELL32.DLL
(001C0544) SHELL32.DLL
(001C66D7) SHELL32.DLL
(001C6638) SHELL32.DLL
(000E117D) SHELL32.DLL
(000A03A9) SHELL32.DLL.SHGetFileInfoWWorker
(0042494F) Iedriveinfo::TDriveInfo::ReadDriveStatus
(00423EED) Iedriveinfo::TDriveInfo::GetImageIndex
(00046604) TScpCommanderForm::LocalPathComboUpdateDrives
(0003FCB2) TScpCommanderForm::TScpCommanderForm
(00212D72) Vcl::Forms::TApplication::CreateForm
(0080EFEB) _SafeFormCreate
(000024A8) wWinMain
(00864459) C4941_0
(00059B8D) ntdll.dll
(00059B55) ntdll.dll

(00040AEE) ntdll.dll.RtlFreeHeap
(00866422) C5073_3
(0086848A) ____ExceptionHandler
(00865244) __ExceptionHandler
(0003EE3E) ntdll.dll.ZwWow64CallFunction64
(0003F5BA) ntdll.dll.KiUserExceptionDispatcher
(00009552) cfgmgr32.dll.DevFreeObjectProperties
(0058BF91) SHELL32.DLL
(002FBDC8) SHELL32.DLL
(001EF7F1) SHELL32.DLL
(001C0544) SHELL32.DLL
(001C66D7) SHELL32.DLL
(001C6638) SHELL32.DLL
(000E117D) SHELL32.DLL
(000A03A9) SHELL32.DLL.SHGetFileInfoWWorker
(0042494F) Iedriveinfo::TDriveInfo::ReadDriveStatus
(00423EED) Iedriveinfo::TDriveInfo::GetImageIndex
(00046604) TScpCommanderForm::LocalPathComboUpdateDrives
(0003FCB2) TScpCommanderForm::TScpCommanderForm
(00212D72) Vcl

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.

quintoncomputers@... wrote:

Simply running WinSCP and logging in crashes it... everytime.

WinSCP 5.9.3

Error message:
Invalid access to memory.

Stack trace:
...

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 5.9.4

Error message:
Ошибка доступа к памяти.

Трассировка стека:
(00047DCD) ntdll.dll
(00081D3F) ntdll.dll
(0006F8EA) ntdll.dll.KiUserExceptionDispatcher
(00047BD3) ntdll.dll.RtlFreeHeap
(00002D8B) cfgmgr32.dll.DevFreeObjectProperties
(004AC0B2) windows.storage.dll
(004AAC5F) windows.storage.dll
(002EAD13) SHELL32.dll
(001FF612) SHELL32.dll
(00109863) SHELL32.dll
(00109660) SHELL32.dll
(00204D79) SHELL32.dll
(00144159) SHELL32.dll
(00144032) SHELL32.dll.SHGetFileInfoW
(00424A7B) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0041C983) Driveview::TDriveView::RefreshRootNodes
(0041AE13) Driveview::TDriveView::InternalWndProc
(0037322C) System::Classes::_18201
(0002C2B1) USER32.dll
(0000D885) USER32.dll
(0000D1DF) USER32.dll
(0000CF9B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

WinSCP 5.13

Error message:
Invalid access to memory.

Stack trace:
(001FFA61) SHELL32.dll
(00088D2F) ntdll.dll
(0006FBF1) ntdll.dll.KiUserExceptionDispatcher
(0011CE97) SHELL32.dll
(000925CB) SHELL32.dll
(0009254B) SHELL32.dll
(00225F62) SHELL32.dll
(00223D83) SHELL32.dll
(001C9707) SHELL32.dll
(001C9673) SHELL32.dll
(001C94E8) SHELL32.dll
(001CAC9D) SHELL32.dll.SHGetFileInfoA
(001EB802) SHELL32.dll.SHGetFileInfoW
(0043911A) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0043150F) Driveview::TDriveView::RefreshRootNodes
(0042FD21) Driveview::TDriveView::InternalWndProc
(0037ED14) System::Classes::_18201
(0001D0B9) USER32.dll
(00027844) USER32.dll
(0002A140) USER32.dll
(000180D7) USER32.dll
(00017C1B) 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 5.13.6

Error message:
Invalid access to memory.

Stack trace:
(0010EECD) SHELL32.dll.SHELL32_LookupBackIconIndex
(0007E16F) ntdll.dll
(0006BD81) ntdll.dll.KiUserExceptionDispatcher
(0010F026) SHELL32.dll.SHELL32_LookupBackIconIndex
(0010F1CE) SHELL32.dll.SHELL32_LookupBackIconIndex
(0010C218) SHELL32.dll
(00295412) SHELL32.dll
(001AA9A2) SHELL32.dll
(000CFBB2) SHELL32.dll.SHMapPIDLToSystemImageListIndex
(000CFB0B) SHELL32.dll.SHMapPIDLToSystemImageListIndex
(001C40B1) SHELL32.dll
(00128232) SHELL32.dll
(00129072) SHELL32.dll.SHGetFileInfoW
(0043C102) Iedriveinfo::TDriveInfo::ReadDriveStatus
(004344F7) Driveview::TDriveView::RefreshRootNodes
(00432D09) Driveview::TDriveView::InternalWndProc
(00381118) System::Classes::_18201
(0003AF19) USER32.dll
(000373E5) USER32.dll
(00036C99) USER32.dll
(00036A7B) 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 5.13.6

Error message:
Invalid access to memory.

Stack trace:
(000FF423) SHELL32.dll.SHGetImageList
(0007E19F) ntdll.dll
(0006BD81) ntdll.dll.KiUserExceptionDispatcher
(001C4091) SHELL32.dll
(00128232) SHELL32.dll
(00129072) SHELL32.dll.SHGetFileInfoW
(0043C102) Iedriveinfo::TDriveInfo::ReadDriveStatus
(004344F7) Driveview::TDriveView::RefreshRootNodes
(00432D09) Driveview::TDriveView::InternalWndProc
(00381118) System::Classes::_18201
(0003AF19) USER32.dll
(000373E5) USER32.dll
(00036C99) USER32.dll
(00036A7B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

The Problem occurrs after a fresh install. F-Secure real time scanner is disabled. The Program continues tu run after I click OK on the error window. It can connect to a remote host and browse there. But it freezes as soon as i try to navigate to a different folder on the loca file system.

tried with latest version but the bug also occurred in older versions, could never use winscp up to now on this specific machine.

WinSCP 5.15.5

Error message:
Zugriffsverletzung - ungültiger Zugriff auf den Speicher.

Stack trace:
(0092827A) C5157_3
(0092A2E2) ____ExceptionHandler
(0092709C) __ExceptionHandler
(0008402F) ntdll.dll
(00071931) ntdll.dll.KiUserExceptionDispatcher
(001AAFCC) SHELL32.dll
(001AADE5) SHELL32.dll
(001AB25D) SHELL32.dll
(00167748) SHELL32.dll
(00167861) SHELL32.dll
(001681F9) SHELL32.dll
(0016848C) SHELL32.dll
(00193C92) SHELL32.dll.SHGetFileInfoW
(0046B746) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0045B8E0) Driveview::TDriveView::RefreshRootNodes
(0045C0E5) Driveview::TDriveView::GetDriveStatus
(0045C80C) Driveview::TDriveView::FindNodeToPath
(0045E41D) Driveview::TDriveView::FindPathNode
(0044AE5E) Customdriveview::TCustomDriveView::SetDirectory
(0045E4CA) Driveview::TDriveView::SetDirectory
(0044E495) Dirview::TDirView::SetPath
(0045314B) Dirview::TDirView::ExecuteHomeDirectory
(0004C8A8) TScpCommanderForm::LocalDefaultDirectory
(0004C4F0) TScpCommanderForm::StartingDisconnected
(00027473) TCustomScpExplorerForm::CMShowingChanged
(00027302) TCustomScpExplorerForm::Dispatch
(002791E1) Vcl::Controls::TWinControl::WndProc
(002336A8) Vcl::Forms::TCustomForm::WndProc
(008C62E0) Vclcommon::C2842_0

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.

juergen.herrmann@... wrote:

The Problem occurrs after a fresh install. F-Secure real time scanner is disabled. The Program continues tu run after I click OK on the error window. It can connect to a remote host and browse there. But it freezes as soon as i try to navigate to a different folder on the loca file system.

tried with latest version but the bug also occurred in older versions, could never use winscp up to now on this specific machine.

This issue has been added to the tracker:
https://winscp.net/tracker/1803

<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 5.17.1

Error message:
Zugriffsverletzung - ungültiger Zugriff auf den Speicher.

Stack trace:
(000F4999) SHELL32.dll.SHGetImageList
(00089BEF) ntdll.dll
(00070AB1) ntdll.dll.KiUserExceptionDispatcher
(001D1844) SHELL32.dll
(001D301D) SHELL32.dll.SHGetFileInfoA
(001F3BA2) SHELL32.dll.SHGetFileInfoW
(0046BFBE) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0045C158) Driveview::TDriveView::RefreshRootNodes
(0045A64F) Driveview::TDriveView::InternalWndProc
(003A4578) System::Classes::_18201
(0001D4F9) USER32.dll
(00027CA4) USER32.dll
(0002A5D3) USER32.dll
(00018517) USER32.dll
(0001805B) 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:
Invalid access to memory.

Stack trace:
(001475EE) SHELL32.dll.SHGetImageList
(0008510F) ntdll.dll
(000725C1) ntdll.dll.KiUserExceptionDispatcher
(0010410F) SHELL32.dll.SHGetFileInfoW
(00103EFE) SHELL32.dll.SHGetFileInfoW
(00103D82) SHELL32.dll.SHGetFileInfoW
(0046C5AA) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0045C734) Driveview::TDriveView::RefreshRootNodes
(0045AC2B) Driveview::TDriveView::InternalWndProc
(003A4AC8) System::Classes::_18201
(0003C9D9) USER32.dll
(000336F5) USER32.dll
(00031A25) USER32.dll
(000317EB) 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

Error message:
Zugriffsverletzung - ungültiger Zugriff auf den Speicher.

Stack trace:
(00062D63) ntdll.dll
(00087E3F) ntdll.dll
(000732D1) ntdll.dll.KiUserExceptionDispatcher
(0003790C) ntdll.dll
(000350F4) ntdll.dll.RtlEnterCriticalSection
(00066492) COMCTL32.DLL
(0012EC29) SHELL32.dll.SHELL32_LookupFrontIconIndex
(0012E9B9) SHELL32.dll.SHELL32_LookupFrontIconIndex
(0012E7D1) SHELL32.dll.SHELL32_LookupFrontIconIndex
(0012E61F) SHELL32.dll
(0012B063) SHELL32.dll.Shell_GetCachedImageIndexW
(00298E25) SHELL32.dll
(001D6EF2) SHELL32.dll
(00139690) SHELL32.dll
(001395EB) SHELL32.dll
(001A3215) SHELL32.dll
(00118501) SHELL32.dll
(00117D12) SHELL32.dll.SHGetFileInfoW
(0046BFAE) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0045C148) Driveview::TDriveView::RefreshRootNodes
(0045A63F) Driveview::TDriveView::InternalWndProc
(003A4568) System::Classes::_18201
(000435C9) USER32.dll
(000240D7) USER32.dll
(00023229) USER32.dll
(0002300B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

On Windows 10 - after updating to July 13, 2021—KB5004237 (OS Builds 19041.1110, 19042.1110, and 19043.1110) WinSCP crashes on launch

WinSCP 5.19.1

Error message:
Invalid access to memory.

Stack trace:
(004A9087) windows.storage.dll.RebaseOnDriveLetter
(0008788F) ntdll.dll
(00073EC1) ntdll.dll.KiUserExceptionDispatcher
(004CE991) windows.storage.dll
(002C5198) SHELL32.dll
(001EAA00) SHELL32.dll
(0010414F) SHELL32.dll.SHCoCreateInstance
(001040B0) SHELL32.dll.SHCoCreateInstance
(001213AF) SHELL32.dll.SHGetFileInfoW
(0012117E) SHELL32.dll.SHGetFileInfoW
(00121002) SHELL32.dll.SHGetFileInfoW
(0048EDCA) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0048E7CC) Iedriveinfo::TDriveInfo::GetImageIndex
(00056B01) TScpCommanderForm::LocalPathComboUpdateDrives
(0004FBC2) TScpCommanderForm::TScpCommanderForm
(00243E96) Vcl::Forms::TApplication::CreateForm
(00E79F87) _SafeFormCreate
(00002658) wWinMain
(00FBA019) C5162_0
(00066A7C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066A49) ntdll.dll.RtlGetAppContainerNamedObjectPath

(004A9087) windows.storage.dll.RebaseOnDriveLetter
(00FBC006) C5294_3
(00FBE06E) ____ExceptionHandler
(00FBAE28) __ExceptionHandler
(0008788F) ntdll.dll
(00073EC1) ntdll.dll.KiUserExceptionDispatcher
(004CE991) windows.storage.dll
(002C5198) SHELL32.dll
(001EAA00) SHELL32.dll
(0010414F) SHELL32.dll.SHCoCreateInstance
(001040B0) SHELL32.dll.SHCoCreateInstance
(001213AF) SHELL32.dll.SHGetFileInfoW
(0012117E) SHELL32.dll.SHGetFileInfoW
(00121002) SHELL32.dll.SHGetFileInfoW
(0048EDCA) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0048E7CC) Iedriveinfo::TDriveInfo::GetImageIndex
(00056B01) TScpCommanderForm::LocalPathComboUpdateDrives
(0004FBC2) TScpCommanderForm::TScpCommanderForm
(00243E96) Vcl::Forms::TApplication::CreateForm
(00E79F87) _SafeFormCreate
(00002658) wWinMain
(00FBA019) C5162_0
(00066A7C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066A49) ntdll.dll.RtlGetAppContainerNamedObjectPath

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 5.19.2

Error message:
Invalid access to memory.

Stack trace:
(0015C40E) SHELL32.dll.SHGetImageList
(0008788F) ntdll.dll
(00073EC1) ntdll.dll.KiUserExceptionDispatcher
(001212DF) SHELL32.dll.SHGetFileInfoW
(001210CE) SHELL32.dll.SHGetFileInfoW
(00120F52) SHELL32.dll.SHGetFileInfoW
(0048EDDE) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0047F410) Driveview::TDriveView::RefreshRootNodes
(0047D94B) Driveview::TDriveView::InternalWndProc
(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.

<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:
Acceso a memoria no válido

Traza de la pila:
(0015C51E) SHELL32.dll.SHGetImageList
(0008788F) ntdll.dll
(00073EC1) ntdll.dll.KiUserExceptionDispatcher
(0012138F) SHELL32.dll.SHGetFileInfoW
(0012117E) SHELL32.dll.SHGetFileInfoW
(00121002) SHELL32.dll.SHGetFileInfoW
(0046D4AE) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0045D638) Driveview::TDriveView::RefreshRootNodes
(0045BB2F) Driveview::TDriveView::InternalWndProc
(003A5978) System::Classes::_18201
(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.

@harold.reyes: 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 5.19.4

Error message:
Unzulässiger Zugriff auf einen Speicherbereich.

Stapelverfolgung:
(0008788F) ntdll.dll
(00073EC1) ntdll.dll.KiUserExceptionDispatcher
(00003DAE) CFGMGR32.dll.DevGetObjectProperties
(004D1A99) windows.storage.dll
(004D04C4) windows.storage.dll
(002C7038) SHELL32.dll
(002042A1) SHELL32.dll
(0015E08B) SHELL32.dll
(0015DFEC) SHELL32.dll
(00112C5F) SHELL32.dll.SHGetFileInfoW
(00112A2E) SHELL32.dll.SHGetFileInfoW
(001128B2) SHELL32.dll.SHGetFileInfoW
(0048EE9E) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0048E8A0) Iedriveinfo::TDriveInfo::GetImageIndex
(00056B15) TScpCommanderForm::LocalPathComboUpdateDrives
(0004FBD2) TScpCommanderForm::TScpCommanderForm
(00243F62) Vcl::Forms::TApplication::CreateForm
(00E81D13) _SafeFormCreate
(00002658) wWinMain
(00FC2011) __wstartup
(00066A7C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066A49) ntdll.dll.RtlGetAppContainerNamedObjectPath

(00FC3FFE) C5294_3
(00FC6066) ____ExceptionHandler
(00FC2E20) __ExceptionHandler
(0008788F) ntdll.dll
(00073EC1) ntdll.dll.KiUserExceptionDispatcher
(00003DAE) CFGMGR32.dll.DevGetObjectProperties
(004D1A99) windows.storage.dll
(004D04C4) windows.storage.dll
(002C7038) SHELL32.dll
(002042A1) SHELL32.dll
(0015E08B) SHELL32.dll
(0015DFEC) SHELL32.dll
(00112C5F) SHELL32.dll.SHGetFileInfoW
(00112A2E) SHELL32.dll.SHGetFileInfoW
(001128B2) SHELL32.dll.SHGetFileInfoW
(0048EE9E) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0048E8A0) Iedriveinfo::TDriveInfo::GetImageIndex
(00056B15) TScpCommanderForm::LocalPathComboUpdateDrives
(0004FBD2) TScpCommanderForm::TScpCommanderForm
(00243F62) Vcl::Forms::TApplication::CreateForm
(00E81D13) _SafeFormCreate
(00002658) wWinMain
(00FC2011) __wstartup
(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 5.21.7

Error message:
Invalid access to memory.

Stack trace:
(0011AF78) SHELL32.dll
(00087B7F) ntdll.dll
(00074001) ntdll.dll.KiUserExceptionDispatcher
(0011B200) SHELL32.dll
(0011B0B8) SHELL32.dll
(0011B038) SHELL32.dll
(002C7B8D) SHELL32.dll
(00204D44) SHELL32.dll
(0015E16A) SHELL32.dll
(0015E0CB) SHELL32.dll
(00112DEF) SHELL32.dll.SHGetFileInfoW
(00112BBE) SHELL32.dll.SHGetFileInfoW
(00112A42) SHELL32.dll.SHGetFileInfoW
(0049208B) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0048169B) Driveview::TDriveView::Change
(002B8552) Vcl::Comctrls::TCustomTreeView::CNNotify
(00470A8D) Customdriveview::TCustomDriveView::CNNotify
(002824BD) Vcl::Controls::TWinControl::WndProc
(002B880E) Vcl::Comctrls::TCustomTreeView::WndProc
(00282623) Vcl::Controls::_17076
(002824BD) Vcl::Controls::TWinControl::WndProc
(00281B04) Vcl::Controls::TWinControl::MainWndProc
(003C9C40) 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
(002825CE) Vcl::Controls::TWinControl::DefaultHandler
(002824BD) Vcl::Controls::TWinControl::WndProc
(002B880E) Vcl::Comctrls::TCustomTreeView::WndProc
(003C9C40) System::Classes::_18201
(00040489) USER32.dll
(00037445) USER32.dll
(00036B22) USER32.dll
(00034CC6) USER32.dll.CallWindowProcW
(004A18FF) Dragdrop::TDragDrop::WndMethod
(003C9C40) System::Classes::_18201
(00040489) USER32.dll
(00037445) USER32.dll
(00037045) USER32.dll
(0003AC0D) USER32.dll
(00073FBB) ntdll.dll.KiUserCallbackDispatcher
(00034E6A) USER32.dll.SendMessageW
(00387117) Winapi::Commctrl::TreeView_SelectItem
(004849FA) Driveview::TDriveView::SetDirectory
(00474B3A) Dirview::TDirView::SetPath
(0005275D) TScpCommanderForm::TerminalChanged
(000078E2) TCustomScpExplorerForm::DoSetTerminal
(00007892) TCustomScpExplorerForm::SetTerminal
(000B3B6E) TTerminalManager::SetActiveTerminal
(000226AC) TCustomScpExplorerForm::SessionsPageControlChange
(002824BD) Vcl::Controls::TWinControl::WndProc
(0027D5B4) Vcl::Controls::TControl::Perform
(00282623) Vcl::Controls::_17076
(002824BD) Vcl::Controls::TWinControl::WndProc
(0023C984) 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.

@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 5.21.6

Error message:
Ошибка доступа к памяти.

Трассировка стека:
(0011ADB8) SHELL32.dll
(00087B7F) ntdll.dll
(00074001) ntdll.dll.KiUserExceptionDispatcher
(0011B040) SHELL32.dll
(0011AEF8) SHELL32.dll
(0011AE78) SHELL32.dll
(002C6DAD) SHELL32.dll
(00203FDB) SHELL32.dll
(0015DF5B) SHELL32.dll
(0015DEBB) SHELL32.dll
(00112C2F) SHELL32.dll.SHGetFileInfoW
(001129FE) SHELL32.dll.SHGetFileInfoW
(00112882) SHELL32.dll.SHGetFileInfoW
(0049205F) Iedriveinfo::TDriveInfo::ReadDriveStatus
(00482085) Driveview::TDriveView::RefreshRootNodes
(004803A5) Driveview::TDriveView::InternalWndProc
(003C9C14) System::Classes::_18201
(00040379) USER32.dll
(00037335) USER32.dll
(00035095) USER32.dll
(00034E5B) 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:
(0013142E) SHELL32.dll.SHGetImageList
(000974CF) ntdll.dll
(00077751) ntdll.dll.KiUserExceptionDispatcher
(00143797) SHELL32.dll
(00143ADC) SHELL32.dll
(00140552) SHELL32.dll.SHGetFileInfoW
(00491FF7) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0048206D) Driveview::TDriveView::RefreshRootNodes
(0048038D) Driveview::TDriveView::InternalWndProc
(003C9BFC) 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 6.1

Error message:
メモリのアクセス違反

スタック トレース:
(0005E633) ntdll.dll
(00087AEF) ntdll.dll
(00073FB1) ntdll.dll.KiUserExceptionDispatcher
(0003F155) ntdll.dll
(0003EFA4) ntdll.dll.RtlEnterCriticalSection
(0005CD02) COMCTL32.DLL
(0011AED3) SHELL32.dll
(0011B150) SHELL32.dll
(0011B008) SHELL32.dll
(0011AF88) SHELL32.dll
(002C7A1D) SHELL32.dll
(00204C3C) SHELL32.dll
(0015E0AA) SHELL32.dll
(0015E00B) SHELL32.dll
(00112D3F) SHELL32.dll.SHGetFileInfoW
(00112B0E) SHELL32.dll.SHGetFileInfoW
(00112992) SHELL32.dll.SHGetFileInfoW
(004A0ED7) Iedriveinfo::TDriveInfo::ReadDriveStatus
(00490E2D) Driveview::TDriveView::RefreshRootNodes
(0048F14D) Driveview::TDriveView::InternalWndProc
(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.

<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:
メモリのアクセス違反

スタック トレース:
(0005E633) ntdll.dll
(00087AEF) ntdll.dll
(00073FB1) ntdll.dll.KiUserExceptionDispatcher
(0003F155) ntdll.dll
(0003EFA4) ntdll.dll.RtlEnterCriticalSection
(0005CD02) COMCTL32.DLL
(0011AED3) SHELL32.dll
(0011B150) SHELL32.dll
(0011B008) SHELL32.dll
(0011AF88) SHELL32.dll
(002C7A1D) SHELL32.dll
(00204C3C) SHELL32.dll
(0015E0AA) SHELL32.dll
(0015E00B) SHELL32.dll
(00112D3F) SHELL32.dll.SHGetFileInfoW
(00112B0E) SHELL32.dll.SHGetFileInfoW
(00112992) SHELL32.dll.SHGetFileInfoW
(004A0ED7) Iedriveinfo::TDriveInfo::ReadDriveStatus
(00490E2D) Driveview::TDriveView::RefreshRootNodes
(0048F14D) Driveview::TDriveView::InternalWndProc
(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.

<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:
Nieprawidłowy dostęp do pamięci.

Stack trace:
(000A95B3)
(00087A7F) ntdll.dll
(000740D1) ntdll.dll.KiUserExceptionDispatcher
(0011B120) SHELL32.dll
(0011AFD8) SHELL32.dll
(0011AF58) SHELL32.dll
(002C814D) SHELL32.dll
(00205362) SHELL32.dll
(0015E0AA) SHELL32.dll
(0015E00B) SHELL32.dll
(00112D7F) SHELL32.dll.SHGetFileInfoW
(00112B4E) SHELL32.dll.SHGetFileInfoW
(001129D2) SHELL32.dll.SHGetFileInfoW
(004A0F3B) Iedriveinfo::TDriveInfo::ReadDriveStatus
(00490E91) Driveview::TDriveView::RefreshRootNodes
(0048F1B1) Driveview::TDriveView::InternalWndProc
(00214D98) 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 6.1.1

Error message:
Nieprawidłowy dostęp do pamięci.

Stack trace:
(001515AE) SHELL32.dll.SHGetImageList
(00087A7F) ntdll.dll
(000740D1) ntdll.dll.KiUserExceptionDispatcher
(00112D5F) SHELL32.dll.SHGetFileInfoW
(00112B4E) SHELL32.dll.SHGetFileInfoW
(001129D2) SHELL32.dll.SHGetFileInfoW
(004A0F3B) Iedriveinfo::TDriveInfo::ReadDriveStatus
(00490E91) Driveview::TDriveView::RefreshRootNodes
(0048F1B1) Driveview::TDriveView::InternalWndProc
(00214D98) 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 6.1.1

Error message:
Nieprawidłowy dostęp do pamięci.

Stack trace:
(00087A7F) ntdll.dll
(000740D1) ntdll.dll.KiUserExceptionDispatcher
(00112D5F) SHELL32.dll.SHGetFileInfoW
(00112B4E) SHELL32.dll.SHGetFileInfoW
(001129D2) SHELL32.dll.SHGetFileInfoW
(004A0F3B) Iedriveinfo::TDriveInfo::ReadDriveStatus
(0049047B) 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
(0003FF49) USER32.dll
(00036EF5) USER32.dll
(00036AF5) USER32.dll
(0003A6BD) USER32.dll
(0007408B) ntdll.dll.KiUserCallbackDispatcher
(0003491A) USER32.dll.SendMessageW
(00068881) COMCTL32.DLL
(00028892) COMCTL32.DLL
(00028767) COMCTL32.DLL
(0003EC58) COMCTL32.DLL
(0003FF49) USER32.dll
(00036EF5) USER32.dll
(000365D2) USER32.dll
(00034776) USER32.dll.CallWindowProcW
(003F63EE) Vcl::Controls::TWinControl::DefaultHandler
(003F62DD) Vcl::Controls::TWinControl::WndProc
(0042C62E) Vcl::Comctrls::TCustomTreeView::WndProc
(00214D98) System::Classes::_18201
(0003FF49) USER32.dll
(00036EF5) USER32.dll
(000365D2) USER32.dll
(00034776) USER32.dll.CallWindowProcW
(004AFCAF) Dragdrop::TDragDrop::WndMethod
(00214D98) System::Classes::_18201
(0003FF49) USER32.dll
(00036EF5) USER32.dll
(00036AF5) USER32.dll
(0003A6BD) USER32.dll
(0007408B) ntdll.dll.KiUserCallbackDispatcher
(0003491A) USER32.dll.SendMessageW
(001CED07) Winapi::Commctrl::TreeView_SelectItem
(0049387E) Driveview::TDriveView::SetDirectory
(004839DE) Dirview::TDirView::SetPath
(00488079) Dirview::TDirView::ExecuteFile
(0047B755) Customdirview::TCustomDirView::Execute
(0047906E) Customdirview::TCustomDirView::DoExecute
(00479C7D) Customdirview::TCustomDirView::WMLButtonDblClk
(003F62DD) Vcl::Controls::TWinControl::WndProc
(004395B7) Vcl::Comctrls::TCustomListView::WndProc
(00214D98) 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
(004AFCAF) Dragdrop::TDragDrop::WndMethod
(00214D98) 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:
Nieprawidłowy dostęp do pamięci.

Stack trace:
(001515AE) SHELL32.dll.SHGetImageList
(00087A7F) ntdll.dll
(000740D1) ntdll.dll.KiUserExceptionDispatcher
(00112D5F) SHELL32.dll.SHGetFileInfoW
(00112B4E) SHELL32.dll.SHGetFileInfoW
(001129D2) SHELL32.dll.SHGetFileInfoW
(004A17EF) Iedriveinfo::TDriveInfo::ReadDriveStatus
(00491745) Driveview::TDriveView::RefreshRootNodes
(0048FA65) Driveview::TDriveView::InternalWndProc
(0021564C) System::Classes::_18201
(0003FEA9) USER32.dll
(00036E55) USER32.dll
(00034BC5) USER32.dll
(0003498B) 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 6.3.4

Error message:
Nieprawidłowy dostęp do pamięci.

Stack trace:
(00132D1B) SHELL32.dll
(00098CCF) ntdll.dll
(000781E1) ntdll.dll.KiUserExceptionDispatcher
(0013306F) SHELL32.dll
(00133222) SHELL32.dll
(001332DA) SHELL32.dll
(0036AB5D) SHELL32.dll
(002BC2C5) SHELL32.dll
(00171B68) SHELL32.dll
(00171AC3) SHELL32.dll
(0014457E) SHELL32.dll
(001443BB) SHELL32.dll
(00147C82) SHELL32.dll.SHGetFileInfoW
(004B3F1B) Iedriveinfo::TDriveInfo::ReadDriveStatus
(004A3BF1) Driveview::TDriveView::RefreshRootNodes
(004A1F05) Driveview::TDriveView::InternalWndProc
(00226F2C) System::Classes::_18201
(000326D1) USER32.dll
(000234E1) USER32.dll
(00021DA0) USER32.dll
(000218EB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.