<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 6.5.3

Error message:
Error listing directory '/mnt/ncsudrive/d/dvijaya2/dvijaya2/hw01'.

Invalid access to memory.

Stack trace:
(00D36581) TTerminal::GetUserNameW
(00EF5B8E)
(00EF7C06)
(00EF49B0) __ExceptionHandler
(000B204F) ntdll.dll
(0007AF3A) ntdll.dll.KiUserExceptionDispatcher
(00C51532) TRemoteFile::GetIsInaccessibleDirectory
(00BB6B75) TCustomUnixDriveView::UpdatePath
(00BB70D1) TCustomUnixDriveView::LoadPathEasy
(00BB6C2B) TCustomUnixDriveView::UpdatePath
(00BB70D1) TCustomUnixDriveView::LoadPathEasy
(00BB6C2B) TCustomUnixDriveView::UpdatePath
(00BB70D1) TCustomUnixDriveView::LoadPathEasy
(00BB72F2) TCustomUnixDriveView::LoadPath
(00BB7278) TCustomUnixDriveView::LoadPath
(00BB73D4) TCustomUnixDriveView::LoadDirectory
(00BB3287) TUnixDirView::DoReadDirectoryImpl
(00D39DA1) TTerminal::DoReadDirectoryFinish
(00D3A0A1) TTerminal::ReadDirectory
(00D39434) TTerminal::ReloadDirectory
(00BB2097) TUnixDirView::ReloadDirectory
(00031B18) TCustomScpExplorerForm::ReloadDirectory
(00052444) TNonVisualDataModule::ExplorerActionsExecute
(00221750) System::Actions::TContainedActionList::ExecuteAction
(0038A959) Vcl::Actnlist::TCustomAction::Execute
(00204B78) System::Classes::_18364
(00038D21) USER32.dll
(00026E88) USER32.dll
(00026315) USER32.dll
(00025E7B) USER32.dll.DispatchMessageW

(00EF61F9)
(00EF77D3)
(00D36D1A) TTerminal::DoReadDirectory
(00D39DA1) TTerminal::DoReadDirectoryFinish
(00D3A0A1) TTerminal::ReadDirectory
(00D39434) TTerminal::ReloadDirectory
(00BB2097) TUnixDirView::ReloadDirectory
(00031B18) TCustomScpExplorerForm::ReloadDirectory
(00052444) TNonVisualDataModule::ExplorerActionsExecute
(00221750) System::Actions::TContainedActionList::ExecuteAction
(0038A959) Vcl::Actnlist::TCustomAction::Execute
(00204B78) System::Classes::_18364
(00038D21) USER32.dll
(00026E88) USER32.dll
(00026315) USER32.dll
(00025E7B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

@15983295772: 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 6.5.1

Error message:
列出'/eos/user/c/chenhang/data/raw/waveform/ndl_new-old'的目录项时出错。

无效的内存访问。

Stack trace:
(00D35A39) TTerminal::GetUserNameW
(00EF4DCA)
(00EF6E42)
(00EF3BEC) __ExceptionHandler
(000B029F) ntdll.dll
(0007AB8A) ntdll.dll.KiUserExceptionDispatcher
(00C509EA) TRemoteFile::GetIsInaccessibleDirectory
(00BB608D) TCustomUnixDriveView::UpdatePath
(00BB65E9) TCustomUnixDriveView::LoadPathEasy
(00BB6143) TCustomUnixDriveView::UpdatePath
(00BB65E9) TCustomUnixDriveView::LoadPathEasy
(00BB6143) TCustomUnixDriveView::UpdatePath
(00BB65E9) TCustomUnixDriveView::LoadPathEasy
(00BB680A) TCustomUnixDriveView::LoadPath
(00BB68EC) TCustomUnixDriveView::LoadDirectory
(00BB279F) TUnixDirView::DoReadDirectoryImpl
(00D39259) TTerminal::DoReadDirectoryFinish
(00D39559) TTerminal::ReadDirectory
(00D388EC) TTerminal::ReloadDirectory
(00BB15AF) TUnixDirView::ReloadDirectory
(00031B00) TCustomScpExplorerForm::ReloadDirectory
(0005242C) TNonVisualDataModule::ExplorerActionsExecute
(0022172C) System::Actions::TContainedActionList::ExecuteAction
(0038A935) Vcl::Actnlist::TCustomAction::Execute
(00204B54) System::Classes::_18364
(000350D1) USER32.dll
(00023768) USER32.dll
(00022BF5) USER32.dll
(0002275B) USER32.dll.DispatchMessageW

(00EF5435)
(00EF6A0F)
(00D361D2) TTerminal::DoReadDirectory
(00D39259) TTerminal::DoReadDirectoryFinish
(00D39559) TTerminal::ReadDirectory
(00D388EC) TTerminal::ReloadDirectory
(00BB15AF) TUnixDirView::ReloadDirectory
(00031B00) TCustomScpExplorerForm::ReloadDirectory
(0005242C) TNonVisualDataModule::ExplorerActionsExecute
(0022172C) System::Actions::TContainedActionList::ExecuteAction
(0038A935) Vcl::Actnlist::TCustomAction::Execute
(00204B54) System::Classes::_18364
(000350D1) USER32.dll
(00023768) USER32.dll
(00022BF5) USER32.dll
(0002275B) 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.

@sainigautam27: 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 6.3.5

Error message:
Invalid access to memory.

Stack trace:
(00C64D11) TTerminal::GetUserNameW
(00087F7F) ntdll.dll
(00074501) ntdll.dll.KiUserExceptionDispatcher
(00B86926) TRemoteFile::GetIsInaccesibleDirectory
(00AED8FD) TCustomUnixDriveView::UpdatePath
(00AEDE59) TCustomUnixDriveView::LoadPathEasy
(00AED9B3) TCustomUnixDriveView::UpdatePath
(00AEDE59) TCustomUnixDriveView::LoadPathEasy
(00AEE07A) TCustomUnixDriveView::LoadPath
(00AEE000) TCustomUnixDriveView::LoadPath
(00AEE000) TCustomUnixDriveView::LoadPath
(00AEE000) TCustomUnixDriveView::LoadPath
(00AEE148) TCustomUnixDriveView::LoadDirectory
(00AEA16B) TUnixDirView::DoReadDirectoryImpl
(0005A19C) TScpCommanderForm::SessionChanged
(00008809) TCustomScpExplorerForm::DoSetManagedSession
(00008725) TCustomScpExplorerForm::SetManagedSession
(000C29CD) TTerminalManager::UpdateScpExplorer
(000C29F4) TTerminalManager::UpdateScpExplorer
(000C5328) TTerminalManager::SessionReady
(000C2A48) TTerminalManager::SetActiveSession
(00024E74) TCustomScpExplorerForm::SessionsPageControlChange
(00435875) Vcl::Comctrls::TCustomTabControl::Change
(00408FE1) Vcl::Controls::TWinControl::WndProc
(00404104) Vcl::Controls::TControl::Perform
(00409147) Vcl::Controls::_17076
(004044C9) Vcl::Controls::TControl::WndProc
(00408FE1) Vcl::Controls::TWinControl::WndProc
(003C35E8) 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.

<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:
Не могу просмотреть каталог '/etc/systemd/system'.

Ошибка доступа к памяти.

Трассировка стека:
(00C636AD) TTerminal::GetUserNameW
(00E22DAE) C6612_0
(00E24E16) ____ExceptionHandler
(00E21BD0) __ExceptionHandler
(00087FFF) ntdll.dll
(00074531) ntdll.dll.KiUserExceptionDispatcher
(00B852BE) TRemoteFile::GetIsInaccesibleDirectory
(00AED171) TCustomUnixDriveView::UpdatePath
(00AED6CD) TCustomUnixDriveView::LoadPathEasy
(00AED227) TCustomUnixDriveView::UpdatePath
(00AED6CD) TCustomUnixDriveView::LoadPathEasy
(00AED8EE) TCustomUnixDriveView::LoadPath
(00AED874) TCustomUnixDriveView::LoadPath
(00AED874) TCustomUnixDriveView::LoadPath
(00AED9BC) TCustomUnixDriveView::LoadDirectory
(00AE99DF) TUnixDirView::DoReadDirectoryImpl
(00C6717F) TTerminal::ReadDirectory
(00C6655C) TTerminal::ReloadDirectory
(00AE8837) TUnixDirView::ReloadDirectory
(0001C72A) TCustomScpExplorerForm::Idle
(00054FDF) TNonVisualDataModule::DoIdle
(00054F9C) TNonVisualDataModule::SessionIdleTimerTimer
(00226F2C) System::Classes::_18201
(00040819) USER32.dll
(00036F65) USER32.dll
(0003589C) USER32.dll
(000353BB) USER32.dll.DispatchMessageW

(00E23419) C6612_0
(00E249F3) _ReThrowException
(00C63E46) TTerminal::DoReadDirectory
(00C6717F) TTerminal::ReadDirectory
(00C6655C) TTerminal::ReloadDirectory
(00AE8837) TUnixDirView::ReloadDirectory
(0001C72A) TCustomScpExplorerForm::Idle
(00054FDF) TNonVisualDataModule::DoIdle
(00054F9C) TNonVisualDataModule::SessionIdleTimerTimer
(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 6.3.2

Error message:
Invalid access to memory.

Stack trace:
(00C62359) TTerminal::GetUserNameW
(00E21702) C6608_3
(00E2376A) ____ExceptionHandler
(00E20524) __ExceptionHandler
(00087B9F) ntdll.dll
(00074121) ntdll.dll.KiUserExceptionDispatcher
(00B84392) TRemoteFile::GetIsInaccesibleDirectory
(00AEC245) TCustomUnixDriveView::UpdatePath
(00AEC7A1) TCustomUnixDriveView::LoadPathEasy
(00AEC2FB) TCustomUnixDriveView::UpdatePath
(00AEC7A1) TCustomUnixDriveView::LoadPathEasy
(00AEC2FB) TCustomUnixDriveView::UpdatePath
(00AEC7A1) TCustomUnixDriveView::LoadPathEasy
(00AEC9C2) TCustomUnixDriveView::LoadPath
(00AEC948) TCustomUnixDriveView::LoadPath
(00AEC948) TCustomUnixDriveView::LoadPath
(00AEC948) TCustomUnixDriveView::LoadPath
(00AEC948) TCustomUnixDriveView::LoadPath
(00AEC948) TCustomUnixDriveView::LoadPath
(00AECA90) TCustomUnixDriveView::LoadDirectory
(00AE8AB3) TUnixDirView::DoReadDirectoryImpl
(00C65CA8) TTerminal::ReadDirectory
(00C652DD) TTerminal::RefreshDirectory
(0001C651) TCustomScpExplorerForm::Idle
(00054DFB) TNonVisualDataModule::DoIdle
(00054DB8) TNonVisualDataModule::SessionIdleTimerTimer
(00226F88) System::Classes::_18201
(00040999) USER32.dll
(00036DB5) USER32.dll
(000356EC) USER32.dll
(0003520B) USER32.dll.DispatchMessageW

(00E21D6D) C6608_3
(00E23347) _ReThrowException
(00C62AF2) TTerminal::DoReadDirectory
(00C65CA8) TTerminal::ReadDirectory
(00C652DD) TTerminal::RefreshDirectory
(0001C651) TCustomScpExplorerForm::Idle
(00054DFB) TNonVisualDataModule::DoIdle
(00054DB8) TNonVisualDataModule::SessionIdleTimerTimer
(00226F88) System::Classes::_18201
(00040999) USER32.dll
(00036DB5) USER32.dll
(000356EC) USER32.dll
(0003520B) 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:
Error listing directory '/var/www/udtweb.com/eSchool/src/Controller'.

Invalid access to memory.

Stack trace:
(00DFD093) TTerminal::GetUserNameW
(01003DEA) C6083_0
(01005E52) ____ExceptionHandler
(01002C0C) __ExceptionHandler
(00087A7F) ntdll.dll
(000740D1) ntdll.dll.KiUserExceptionDispatcher
(00D28BD6) TRemoteFile::GetIsInaccesibleDirectory
(00C96465) TCustomUnixDriveView::UpdatePath
(00C969C1) TCustomUnixDriveView::LoadPathEasy
(00C9651B) TCustomUnixDriveView::UpdatePath
(00C969C1) TCustomUnixDriveView::LoadPathEasy
(00C96BE2) TCustomUnixDriveView::LoadPath
(00C96CB0) TCustomUnixDriveView::LoadDirectory
(00C92CD3) TUnixDirView::DoReadDirectoryImpl
(00E00BAF) TTerminal::ReadDirectory
(00DFFF54) TTerminal::ReloadDirectory
(00C91B2B) TUnixDirView::ReloadDirectory
(0001BA16) TCustomScpExplorerForm::Idle
(00053267) TNonVisualDataModule::DoIdle
(00053224) TNonVisualDataModule::SessionIdleTimerTimer
(0021564C) System::Classes::_18201
(00040209) USER32.dll
(000371C5) USER32.dll
(00034F25) USER32.dll
(00034CEB) USER32.dll.DispatchMessageW

(01004455) C6083_0
(01005A2F) _ReThrowException
(00DFD82A) TTerminal::DoReadDirectory
(00E00BAF) TTerminal::ReadDirectory
(00DFFF54) TTerminal::ReloadDirectory
(00C91B2B) TUnixDirView::ReloadDirectory
(0001BA16) TCustomScpExplorerForm::Idle
(00053267) TNonVisualDataModule::DoIdle
(00053224) TNonVisualDataModule::SessionIdleTimerTimer
(0021564C) System::Classes::_18201
(00040209) USER32.dll
(000371C5) USER32.dll
(00034F25) USER32.dll
(00034CEB) 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:
Ошибка доступа к памяти.

Трассировка стека:
(00DFD091) TTerminal::GetUserNameW
(0009812F) ntdll.dll
(00077D31) ntdll.dll.KiUserExceptionDispatcher
(00D28BD6) TRemoteFile::GetIsInaccesibleDirectory
(00C96465) TCustomUnixDriveView::UpdatePath
(00C969C1) TCustomUnixDriveView::LoadPathEasy
(00C96BE2) TCustomUnixDriveView::LoadPath
(00C96B68) TCustomUnixDriveView::LoadPath
(00C96CB0) TCustomUnixDriveView::LoadDirectory
(00C92CD3) TUnixDirView::DoReadDirectoryImpl
(00007CFD) TCustomScpExplorerForm::DoSetManagedSession
(00007C7E) TCustomScpExplorerForm::SetManagedSession
(000BE7EC) TTerminalManager::UpdateScpExplorer
(000C10B0) TTerminalManager::SessionReady
(000BE840) TTerminalManager::SetActiveSession
(00024108) TCustomScpExplorerForm::SessionsPageControlChange
(00423409) Vcl::Comctrls::TCustomTabControl::Change
(003F6B91) Vcl::Controls::TWinControl::WndProc
(003F1C88) Vcl::Controls::TControl::Perform
(003F6CF7) Vcl::Controls::_17076
(003F6B91) Vcl::Controls::TWinControl::WndProc
(003B10A0) 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 6.1.1

Error message:
Invalid access to memory.

Stack trace:
(00DFC7D1) TTerminal::GetUserNameW
(0100350E) C6083_0
(01005576) ____ExceptionHandler
(01002330) __ExceptionHandler
(00087AEF) ntdll.dll
(00073FB1) ntdll.dll.KiUserExceptionDispatcher
(00D28316) TRemoteFile::GetIsInaccesibleDirectory
(00C95BA5) TCustomUnixDriveView::UpdatePath
(00C96101) TCustomUnixDriveView::LoadPathEasy
(00C95C5B) TCustomUnixDriveView::UpdatePath
(00C96101) TCustomUnixDriveView::LoadPathEasy
(00C95C5B) TCustomUnixDriveView::UpdatePath
(00C96101) TCustomUnixDriveView::LoadPathEasy
(00C96322) TCustomUnixDriveView::LoadPath
(00C962A8) TCustomUnixDriveView::LoadPath
(00C962A8) TCustomUnixDriveView::LoadPath
(00C962A8) TCustomUnixDriveView::LoadPath
(00C963F0) TCustomUnixDriveView::LoadDirectory
(00C92413) TUnixDirView::DoReadDirectoryImpl
(00058300) TScpCommanderForm::SessionChanged
(00007CFD) TCustomScpExplorerForm::DoSetManagedSession
(00007C7E) TCustomScpExplorerForm::SetManagedSession
(000BDF38) TTerminalManager::UpdateScpExplorer
(000C07FC) TTerminalManager::SessionReady
(000BDBD7) TTerminalManager::ReconnectActiveTerminal
(000CEDFF) ShowExtendedExceptionEx
(00024F78) TCustomScpExplorerForm::ShowExtendedException
(000BF345) TTerminalManager::TerminalShowExtendedException
(00DFAB48) TTerminal::ShowExtendedException
(000BDF8C) TTerminalManager::SetActiveSession
(00024108) TCustomScpExplorerForm::SessionsPageControlChange
(00422B55) Vcl::Comctrls::TCustomTabControl::Change
(003F62DD) Vcl::Controls::TWinControl::WndProc
(003F13D4) Vcl::Controls::TControl::Perform
(003F6443) Vcl::Controls::_17076
(003F62DD) Vcl::Controls::TWinControl::WndProc
(003B07EC) Vcl::Forms::TCustomForm::WndProc

The problem happens rarely. I cannot reproduce it.

WinSCP session already open with two tabs (separate remotes). I try to to open a third remote from my list of sites. Then this error

WinSCP 5.21.7

Error message:
Invalid access to memory.

Stack trace:
(00DDDB91) TTerminal::GetUserNameW
(00087B7F) ntdll.dll
(00074001) ntdll.dll.KiUserExceptionDispatcher
(00D0E54E) TRemoteFile::GetIsInaccesibleDirectory
(00C7DFAD) TCustomUnixDriveView::UpdatePath
(00C7E4E1) TCustomUnixDriveView::LoadPathEasy
(00C7E060) TCustomUnixDriveView::UpdatePath
(00C7E4E1) TCustomUnixDriveView::LoadPathEasy
(00C7E060) TCustomUnixDriveView::UpdatePath
(00C7E4E1) TCustomUnixDriveView::LoadPathEasy
(00C7E060) TCustomUnixDriveView::UpdatePath
(00C7E4E1) TCustomUnixDriveView::LoadPathEasy
(00C7E060) TCustomUnixDriveView::UpdatePath
(00C7E4E1) TCustomUnixDriveView::LoadPathEasy
(00C7E060) TCustomUnixDriveView::UpdatePath
(00C7E4E1) TCustomUnixDriveView::LoadPathEasy
(00C7E6D7) TCustomUnixDriveView::LoadPath
(00C7E650) TCustomUnixDriveView::LoadPath
(00C7E650) TCustomUnixDriveView::LoadPath
(00C7E650) TCustomUnixDriveView::LoadPath
(00C7E780) TCustomUnixDriveView::LoadDirectory
(00C7A9F7) TUnixDirView::DoReadDirectoryImpl
(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

The problem happens rarely. I cannot reproduce it.

@vadimsachkov: 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 5.21.7

Error message:
Ошибка доступа к памяти.

Трассировка стека:
(00DDDB91) TTerminal::GetUserNameW
(0008776F) ntdll.dll
(00073E91) ntdll.dll.KiUserExceptionDispatcher
(00D0E54E) TRemoteFile::GetIsInaccesibleDirectory
(00C7DFAD) TCustomUnixDriveView::UpdatePath
(00C7DFFE) TCustomUnixDriveView::UpdatePath
(00C7F67A) TCustomUnixDriveView::RebuildTree
(000B6344) TTerminalManager::DoConfigurationChange
(00CA2700) TConfiguration::Changed
(000E4A2C) TWinConfiguration::SetShowHiddenFiles
(00049CAE) TNonVisualDataModule::ExplorerActionsExecute
(0040D640) System::Actions::TContainedActionList::ExecuteAction

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.

<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:
Ошибка доступа к памяти.

Трассировка стека:
(00DDDB91) TTerminal::GetUserNameW
(0008776F) ntdll.dll
(00073E91) ntdll.dll.KiUserExceptionDispatcher
(00D0E54E) TRemoteFile::GetIsInaccesibleDirectory
(00C7DFAD) TCustomUnixDriveView::UpdatePath
(00C7DFFE) TCustomUnixDriveView::UpdatePath
(00C7F67A) TCustomUnixDriveView::RebuildTree
(000B6344) TTerminalManager::DoConfigurationChange
(00CA2700) TConfiguration::Changed
(000E4A2C) TWinConfiguration::SetShowHiddenFiles
(00049CAE) TNonVisualDataModule::ExplorerActionsExecute
(0040D640) 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 5.21.2

Error message:
Invalid access to memory.

Stack trace:
(00DD3B05) TTerminal::GetUserNameW
(00097F5F) ntdll.dll
(00076171) ntdll.dll.KiUserExceptionDispatcher
(00D045A6) TRemoteFile::GetIsInaccesibleDirectory
(00C741E5) TCustomUnixDriveView::UpdatePath
(00C74719) TCustomUnixDriveView::LoadPathEasy
(00C74298) TCustomUnixDriveView::UpdatePath
(00C74719) TCustomUnixDriveView::LoadPathEasy
(00C74298) TCustomUnixDriveView::UpdatePath
(00C74719) TCustomUnixDriveView::LoadPathEasy
(00C74298) TCustomUnixDriveView::UpdatePath
(00C74719) TCustomUnixDriveView::LoadPathEasy
(00C74298) TCustomUnixDriveView::UpdatePath
(00C74719) TCustomUnixDriveView::LoadPathEasy
(00C7490F) TCustomUnixDriveView::LoadPath
(00C74888) TCustomUnixDriveView::LoadPath
(00C74888) TCustomUnixDriveView::LoadPath
(00C749B8) TCustomUnixDriveView::LoadDirectory
(00C70C2F) TUnixDirView::DoReadDirectoryImpl
(000078AE) TCustomScpExplorerForm::DoSetTerminal
(0000785E) TCustomScpExplorerForm::SetTerminal
(000B4976) TTerminalManager::SetActiveTerminal
(0002214C) TCustomScpExplorerForm::SessionsPageControlChange
(00282EDD) Vcl::Controls::TWinControl::WndProc
(0027DFD4) Vcl::Controls::TControl::Perform
(00283043) Vcl::Controls::_17076
(00282EDD) Vcl::Controls::TWinControl::WndProc
(0023D3A4) 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 5.19.5

Error message:
Ошибка доступа к памяти.

Трассировка стека:
(00DC9435) TTerminal::GetUserNameW
(000878AF) ntdll.dll
(00073EE1) ntdll.dll.KiUserExceptionDispatcher
(00CFED3E) TRemoteFile::GetIsInaccesibleDirectory
(00C71639) TCustomUnixDriveView::UpdatePath
(00C71B6D) TCustomUnixDriveView::LoadPathEasy
(00C716EC) TCustomUnixDriveView::UpdatePath
(00C71B6D) TCustomUnixDriveView::LoadPathEasy
(00C716EC) TCustomUnixDriveView::UpdatePath
(00C71B6D) TCustomUnixDriveView::LoadPathEasy
(00C716EC) TCustomUnixDriveView::UpdatePath
(00C71B6D) TCustomUnixDriveView::LoadPathEasy
(00C71D63) TCustomUnixDriveView::LoadPath
(00C71CDC) TCustomUnixDriveView::LoadPath
(00C71CDC) TCustomUnixDriveView::LoadPath
(00C71E0C) TCustomUnixDriveView::LoadDirectory
(00C6E093) TUnixDirView::DoReadDirectoryImpl
(000071B6) TCustomScpExplorerForm::DoSetTerminal
(00007166) TCustomScpExplorerForm::SetTerminal
(000B0C4E) TTerminalManager::SetActiveTerminal
(00021634) TCustomScpExplorerForm::SessionsPageControlChange
(002803E1) Vcl::Controls::TWinControl::WndProc
(0027B4D8) Vcl::Controls::TControl::Perform
(00280547) Vcl::Controls::_17076
(002803E1) Vcl::Controls::TWinControl::WndProc
(0023A8A8) Vcl::Forms::TCustomForm::WndProc

The problem happens rarely. I cannot reproduce it.

@fernando: 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:
Acesso inválido à memória

Rastreamento de pilha:
(00D90879) TTerminal::GetUserNameW
(00F8A13A) C5296_0
(00F8C1A2) ____ExceptionHandler
(00F88F5C) __ExceptionHandler
(000878AF) ntdll.dll
(00073EE1) ntdll.dll.KiUserExceptionDispatcher
(00CCC38E) TRemoteFile::GetIsInaccesibleDirectory
(00C41C39) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C42363) TCustomUnixDriveView::LoadPath
(00C422DC) TCustomUnixDriveView::LoadPath
(00C422DC) TCustomUnixDriveView::LoadPath
(00C422DC) TCustomUnixDriveView::LoadPath
(00C4240C) TCustomUnixDriveView::LoadDirectory
(00C3E6C7) TUnixDirView::DoReadDirectoryImpl
(00006F7E) TCustomScpExplorerForm::DoSetTerminal
(00006F2E) TCustomScpExplorerForm::SetTerminal
(000AC2FA) TTerminalManager::ReconnectActiveTerminal
(000BE4E3) ShowExtendedExceptionEx
(00021D34) TCustomScpExplorerForm::ShowExtendedException
(000AD949) TTerminalManager::TerminalShowExtendedException
(00D8E974) TTerminal::ShowExtendedException
(000AC602) TTerminalManager::SetActiveTerminal
(00020F8C) TCustomScpExplorerForm::SessionsPageControlChange
(0027AD15) Vcl::Controls::TWinControl::WndProc
(00275E0C) Vcl::Controls::TControl::Perform
(0027AE7B) Vcl::Controls::_17076
(0027AD15) Vcl::Controls::TWinControl::WndProc
(002351DC) 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.

<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:
Acceso a memoria no válido

Traza de la pila:
(00DC18FD) TTerminal::GetUserNameW
(0008A61F) ntdll.dll
(00077E7A) ntdll.dll.KiUserExceptionDispatcher
(00CF77EA) TRemoteFile::GetIsInaccesibleDirectory
(00C6A7B9) TCustomUnixDriveView::UpdatePath
(00C6ACED) TCustomUnixDriveView::LoadPathEasy
(00C6AEE3) TCustomUnixDriveView::LoadPath
(00C6AE5C) TCustomUnixDriveView::LoadPath
(00C6AE5C) TCustomUnixDriveView::LoadPath
(00C6AE5C) TCustomUnixDriveView::LoadPath
(00C6AE5C) TCustomUnixDriveView::LoadPath
(00C6AE5C) TCustomUnixDriveView::LoadPath
(00C6AF8C) TCustomUnixDriveView::LoadDirectory
(00C67213) TUnixDirView::DoReadDirectoryImpl
(000071A2) TCustomScpExplorerForm::DoSetTerminal
(00007152) TCustomScpExplorerForm::SetTerminal
(000B0AF6) TTerminalManager::SetActiveTerminal
(000AFE63) TTerminalManager::FreeActiveTerminal
(00280255) Vcl::Controls::TWinControl::WndProc
(0027F89C) Vcl::Controls::TWinControl::MainWndProc
(003C79D8) System::Classes::_18201
(000374F1) USER32.dll
(00015C3B) USER32.dll
(000159D2) USER32.dll.CallWindowProcW
(0049E5DF) Dragdrop::TDragDrop::WndMethod
(003C79D8) System::Classes::_18201
(000374F1) USER32.dll
(00015C3B) USER32.dll
(0001553C) USER32.dll
(000152FB) 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:
Acceso a memoria no válido

Traza de la pila:
(00DC18FD) TTerminal::GetUserNameW
(0008A61F) ntdll.dll
(00077E7A) ntdll.dll.KiUserExceptionDispatcher
(00CF77EA) TRemoteFile::GetIsInaccesibleDirectory
(00C6A7B9) TCustomUnixDriveView::UpdatePath
(00C6ACED) TCustomUnixDriveView::LoadPathEasy
(00C6A86C) TCustomUnixDriveView::UpdatePath
(00C6ACED) TCustomUnixDriveView::LoadPathEasy
(00C6A86C) TCustomUnixDriveView::UpdatePath
(00C6ACED) TCustomUnixDriveView::LoadPathEasy
(00C6A86C) TCustomUnixDriveView::UpdatePath
(00C6ACED) TCustomUnixDriveView::LoadPathEasy
(00C6AEE3) TCustomUnixDriveView::LoadPath
(00C6AE5C) TCustomUnixDriveView::LoadPath
(00C6AE5C) TCustomUnixDriveView::LoadPath
(00C6AE5C) TCustomUnixDriveView::LoadPath
(00C6AF8C) TCustomUnixDriveView::LoadDirectory
(00C67213) TUnixDirView::DoReadDirectoryImpl
(000071A2) TCustomScpExplorerForm::DoSetTerminal
(00007152) TCustomScpExplorerForm::SetTerminal
(000B0AF6) TTerminalManager::SetActiveTerminal
(000215C0) TCustomScpExplorerForm::SessionsPageControlChange
(00280255) Vcl::Controls::TWinControl::WndProc
(0027B34C) Vcl::Controls::TControl::Perform
(002803BB) Vcl::Controls::_17076
(00280255) Vcl::Controls::TWinControl::WndProc
(0023A71C) 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 5.17.10

Error message:
Unzulässiger Zugriff auf einen Speicherbereich.

Stapelverfolgung:
(00D9087B) TTerminal::GetUserNameW
(0008776F) ntdll.dll
(00073E91) ntdll.dll.KiUserExceptionDispatcher
(00CCC38E) TRemoteFile::GetIsInaccesibleDirectory
(00C41C39) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C41CEC) TCustomUnixDriveView::UpdatePath
(00C4216D) TCustomUnixDriveView::LoadPathEasy
(00C42363) TCustomUnixDriveView::LoadPath
(00C422DC) TCustomUnixDriveView::LoadPath
(00C422DC) TCustomUnixDriveView::LoadPath
(00C4240C) TCustomUnixDriveView::LoadDirectory
(00C3E6C7) TUnixDirView::DoReadDirectoryImpl
(00006F7E) TCustomScpExplorerForm::DoSetTerminal
(00006F2E) TCustomScpExplorerForm::SetTerminal
(000AC602) TTerminalManager::SetActiveTerminal
(00020F8C) TCustomScpExplorerForm::SessionsPageControlChange
(0027AD15) Vcl::Controls::TWinControl::WndProc
(00275E0C) Vcl::Controls::TControl::Perform
(0027AE7B) Vcl::Controls::_17076
(0027AD15) Vcl::Controls::TWinControl::WndProc
(002351DC) 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 5.18

Error message:
Невірний доступ до пам'яті

Stack trace:
(00DB400F) TTerminal::GetUserNameW
(000624F6) ntdll.dll
(0000F13E) ntdll.dll.KiUserExceptionDispatcher
(00CED8E2) TRemoteFile::GetIsInaccesibleDirectory
(00C633A1) TCustomUnixDriveView::UpdatePath
(00C638D5) TCustomUnixDriveView::LoadPathEasy
(00C63454) TCustomUnixDriveView::UpdatePath
(00C638D5) TCustomUnixDriveView::LoadPathEasy
(00C63454) TCustomUnixDriveView::UpdatePath
(00C638D5) TCustomUnixDriveView::LoadPathEasy
(00C63454) TCustomUnixDriveView::UpdatePath
(00C638D5) TCustomUnixDriveView::LoadPathEasy
(00C63454) TCustomUnixDriveView::UpdatePath
(00C638D5) TCustomUnixDriveView::LoadPathEasy
(00C63454) TCustomUnixDriveView::UpdatePath
(00C638D5) TCustomUnixDriveView::LoadPathEasy
(00C63ACB) TCustomUnixDriveView::LoadPath
(00C63A44) TCustomUnixDriveView::LoadPath
(00C63A44) TCustomUnixDriveView::LoadPath
(00C63A44) TCustomUnixDriveView::LoadPath
(00C63A44) TCustomUnixDriveView::LoadPath
(00C63B74) TCustomUnixDriveView::LoadDirectory
(00C5FDF7) TUnixDirView::DoReadDirectoryImpl
(00007172) TCustomScpExplorerForm::DoSetTerminal
(00007122) TCustomScpExplorerForm::SetTerminal
(000B0726) TTerminalManager::SetActiveTerminal
(000213A8) TCustomScpExplorerForm::SessionsPageControlChange
(0027FCC1) Vcl::Controls::TWinControl::WndProc
(0027ADB8) Vcl::Controls::TControl::Perform
(0027FE27) Vcl::Controls::_17076
(0027FCC1) Vcl::Controls::TWi

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:
Acceso a memoria no válido

Traza de la pila:
(00D8ED85) TTerminal::GetUserNameW
(0008A61F) ntdll.dll
(00077E7A) ntdll.dll.KiUserExceptionDispatcher
(00CCA8FA) TRemoteFile::GetIsInaccesibleDirectory
(00C4001D) TCustomUnixDriveView::UpdatePath
(00C40551) TCustomUnixDriveView::LoadPathEasy
(00C400D0) TCustomUnixDriveView::UpdatePath
(00C40551) TCustomUnixDriveView::LoadPathEasy
(00C40747) TCustomUnixDriveView::LoadPath
(00C406C0) TCustomUnixDriveView::LoadPath
(00C406C0) TCustomUnixDriveView::LoadPath
(00C407F0) TCustomUnixDriveView::LoadDirectory
(00C3CAAB) TUnixDirView::DoReadDirectoryImpl
(00006F7E) TCustomScpExplorerForm::DoSetTerminal
(00006F2E) TCustomScpExplorerForm::SetTerminal
(000AC486) TTerminalManager::SetActiveTerminal
(000AB827) TTerminalManager::FreeActiveTerminal
(00279F45) Vcl::Controls::TWinControl::WndProc
(0027958C) Vcl::Controls::TWinControl::MainWndProc
(003A4BA8) System::Classes::_18201
(000374F1) USER32.dll
(00015C3B) USER32.dll
(000159D2) USER32.dll.CallWindowProcW
(0047BF0F) Dragdrop::TDragDrop::WndMethod
(003A4BA8) System::Classes::_18201
(000374F1) USER32.dll
(00015C3B) USER32.dll
(0001553C) USER32.dll
(000152FB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

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.

On connection loss, eg.: firewall reboot.

WinSCP 5.17.5

Error message:
Invalid access to memory.

Stack trace:
(00D8E59B) TTerminal::GetUserNameW
(0006246E) ntdll.dll
(0000F12E) ntdll.dll.KiUserExceptionDispatcher
(00CCA126) TRemoteFile::GetIsInaccesibleDirectory
(00C3F849) TCustomUnixDriveView::UpdatePath
(00C3FD7D) TCustomUnixDriveView::LoadPathEasy
(00C3F8FC) TCustomUnixDriveView::UpdatePath
(00C3FD7D) TCustomUnixDriveView::LoadPathEasy
(00C3F8FC) TCustomUnixDriveView::UpdatePath
(00C3FD7D) TCustomUnixDriveView::LoadPathEasy
(00C3FF73) TCustomUnixDriveView::LoadPath
(00C3FEEC) TCustomUnixDriveView::LoadPath
(00C3FEEC) TCustomUnixDriveView::LoadPath
(00C3FEEC) TCustomUnixDriveView::LoadPath
(00C4001C) TCustomUnixDriveView::LoadDirectory
(00C3C2D7) TUnixDirView::DoReadDirectoryImpl
(00006F7E) TCustomScpExplorerForm::DoSetTerminal
(00006F2E) TCustomScpExplorerForm::SetTerminal
(000AC35A) TTerminalManager::SetActiveTerminal
(00020F48) TCustomScpExplorerForm::SessionsPageControlChange
(00279E45) Vcl::Controls::TWinControl::WndProc
(00274F3C) Vcl::Controls::TControl::Perform
(00279FAB) Vcl::Controls::_17076
(00279E45) Vcl::Controls::TWinControl::WndProc
(0023430C) 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.

<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 5.17.3

Error message:
Invalid access to memory.

Stack trace:
(00D8E141) TTerminal::GetUserNameW
(00F876DE) C5296_0
(00F89746) ____ExceptionHandler
(00F86500) __ExceptionHandler
(00087E3F) ntdll.dll
(000732C1) ntdll.dll.KiUserExceptionDispatcher
(00CC9CCE) TRemoteFile::GetIsInaccesibleDirectory
(00C3F3FD) TCustomUnixDriveView::UpdatePath
(00C3F44E) TCustomUnixDriveView::UpdatePath
(00C3FB54) TCustomUnixDriveView::LoadPath
(00C3FBD0) TCustomUnixDriveView::LoadDirectory
(00C3BE97) TUnixDirView::DoReadDirectoryImpl
(00D91794) TTerminal::ReadDirectory
(00D90D15) TTerminal::RefreshDirectory
(00018CE9) TCustomScpExplorerForm::Idle
(00049A6F) TNonVisualDataModule::DoIdle
(00049A2C) TNonVisualDataModule::SessionIdleTimerTimer
(003A47E0) System::Classes::_18201
(00043449) USER32.dll
(00023F87) USER32.dll
(000230D9) USER32.dll
(00022EBB) USER32.dll.DispatchMessageW

(00F87D49) C5296_0
(00F89323) _ReThrowException
(00D8E8DA) TTerminal::DoReadDirectory
(00D91794) TTerminal::ReadDirectory
(00D90D15) TTerminal::RefreshDirectory
(00018CE9) TCustomScpExplorerForm::Idle
(00049A6F) TNonVisualDataModule::DoIdle
(00049A2C) TNonVisualDataModule::SessionIdleTimerTimer
(003A47E0) System::Classes::_18201
(00043449) 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 5.15.5

Error message:
Accesso alla memoria non valido.

Stack trace:
(00819741) TTerminal::GetUserNameW
(0092827A) C5157_3
(0092A2E2) ____ExceptionHandler
(0092709C) __ExceptionHandler
(0007E19F) ntdll.dll
(0006BD81) ntdll.dll.KiUserExceptionDispatcher
(0075959E) TRemoteFile::GetIsInaccesibleDirectory
(006D3BE1) TCustomUnixDriveView::UpdatePath
(006D4115) TCustomUnixDriveView::LoadPathEasy
(006D3C94) TCustomUnixDriveView::UpdatePath
(006D4115) TCustomUnixDriveView::LoadPathEasy
(006D3C94) TCustomUnixDriveView::UpdatePath
(006D4115) TCustomUnixDriveView::LoadPathEasy
(006D3C94) TCustomUnixDriveView::UpdatePath
(006D4115) TCustomUnixDriveView::LoadPathEasy
(006D3C94) TCustomUnixDriveView::UpdatePath
(006D4115) TCustomUnixDriveView::LoadPathEasy
(006D3C94) TCustomUnixDriveView::UpdatePath
(006D4115) TCustomUnixDriveView::LoadPathEasy
(006D3C94) TCustomUnixDriveView::UpdatePath
(006D4115) TCustomUnixDriveView::LoadPathEasy
(006D3C94) TCustomUnixDriveView::UpdatePath
(006D4115) TCustomUnixDriveView::LoadPathEasy
(006D3C94) TCustomUnixDriveView::UpdatePath
(006D4115) TCustomUnixDriveView::LoadPathEasy
(006D3C94) TCustomUnixDriveView::UpdatePath
(006D4115) TCustomUnixDriveView::LoadPathEasy
(006D3C94) TCustomUnixDriveView::UpdatePath
(006D4115) TCustomUnixDriveView::LoadPathEasy
(006D430B) TCustomUnixDriveView::LoadPath
(006D4284) TCustomUnixDriveView::LoadPath
(006D4284) TCustomUnixDriveView::LoadPath
(006D4284) TCustomUnixDriveView::LoadPath
(006D4284) TCustomUnixDriveView::LoadPath
(006D4284) TCustomUnixDriveView::LoadPath
(006D4284) TCustomUnixDriveView::LoadPath
(006D4284) TCustomUnixDriveView::LoadPath
(006D4284) TCustomUnixDriveView::LoadPath
(006D4284) TCustomUnixDriveView::LoadPath
(006D4284) TCustomUnixDriveView::LoadPath
(006D4284) TCustomUnixDriveView::LoadPath
(006D43B4) TCustomUnixDriveView::LoadDirectory
(006D06AF) TUnixDirView::DoReadDirectoryImpl
(00006F76) TCustomScpExplorerForm::DoSetTerminal
(00006F26) TCustomScpExplorerForm::SetTerminal
(000AB836) TTerminalManager::ReconnectActiveTerminal
(000BC959) ShowExtendedExceptionEx
(00021044) TCustomScpExplorerForm::ShowExtendedException
(000ACD55) TTerminalManager::TerminalShowExtendedException
(0081783C) TTerminal::ShowExtendedException
(000ABB1A) TTerminalManager::SetActiveTerminal
(0002029C) TCustomScpExplorerForm::SessionsPageControlChange
(002791E1) Vcl::Controls::TWinControl::WndProc
(002742D8) Vcl::Controls::TControl::Perform
(00279347) Vcl::Controls::_17076
(002791E1) Vcl::Controls::TWinControl::WndProc
(002336A8) 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 5.11.1

Error message:
Error listing directory '/public_html/assets'.

Invalid access to memory.

Stack trace:
(0079B391) TTerminal::GetUserNameW
(0089C862) C5067_0
(0089E8CA) ____ExceptionHandler
(0089B684) __ExceptionHandler
(00046286) ntdll.dll.RtlRaiseStatus
(00046112) ntdll.dll.KiUserExceptionDispatcher
(006EBE2E) TRemoteFile::GetIsInaccesibleDirectory
(0066F4DF) TCustomUnixDriveView::UpdatePath
(0066FA15) TCustomUnixDriveView::LoadPathEasy
(0066F592) TCustomUnixDriveView::UpdatePath
(0066FA15) TCustomUnixDriveView::LoadPathEasy
(0066FC0B) TCustomUnixDriveView::LoadPath
(0066FB84) TCustomUnixDriveView::LoadPath
(0066FCB4) TCustomUnixDriveView::LoadDirectory
(0066C033) TUnixDirView::DoReadDirectoryImpl
(0079E983) TTerminal::ReadDirectory
(0079A06B) TTerminal::ReactOnCommand
(0066CA13) TUnixDirView::ChangeDirectory
(0066AF16) TUnixDirView::ExecuteFile
(00417C72) Customdirview::TCustomDirView::DoExecute
(0041883F) Customdirview::TCustomDirView::WMLButtonDblClk
(00257BA1) Vcl::Controls::TWinControl::WndProc
(0029BACF) Vcl::Comctrls::TCustomListView::WndProc
(0037BB94) System::Classes::_18201
(0001B4E4) USER32.dll
(0001B5E2) USER32.dll
(00010B2C) USER32.dll
(00010B52) USER32.dll.CallWindowProcW
(0043DD0B) Dragdrop::TDragDrop::WndMethod
(0037BB94) System::Classes::_18201
(0001B4E4) USER32.dll
(0001B5E2) USER32.dll
(0001BC14) USER32.dll
(0001BC6B) USER32.dll.DispatchMessageW

(0089CECD) C5067_0
(0089E4A7) _ReThrowException
(0079BB2A%

The problem happens rarely. I cannot reproduce it.

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)>

always, after i reboot my server, reconnect winscp, this happens

WinSCP 5.9.5

Error message:
Fehler beim Anzeigen des Verzeichnisses "/etc/nginx/sites-enabled".

Zugriffsverletzung - ungültiger Zugriff auf den Speicher.

Stack trace:
(00774CD9) TTerminal::GetUserNameW
(0086700E) C5073_3
(00869076) ____ExceptionHandler
(00865E30) __ExceptionHandler
(000851CF) ntdll.dll
(00073161) ntdll.dll.KiUserExceptionDispatcher
(006D0AA6) TRemoteFile::GetIsInaccesibleDirectory
(00659617) TCustomUnixDriveView::UpdatePath
(00659B4D) TCustomUnixDriveView::LoadPathEasy
(006596CA) TCustomUnixDriveView::UpdatePath
(00659B4D) TCustomUnixDriveView::LoadPathEasy
(00659D43) TCustomUnixDriveView::LoadPath
(00659CBC) TCustomUnixDriveView::LoadPath
(00659CBC) TCustomUnixDriveView::LoadPath
(00659DEC) TCustomUnixDriveView::LoadDirectory
(0065614F) TUnixDirView::DoReadDirectoryImpl
(00777C1B) TTerminal::ReadDirectory
(00777050) TTerminal::ReloadDirectory
(006551D4) TUnixDirView::ReloadDirectory
(00016DD4) TCustomScpExplorerForm::Idle
(0003D057) TNonVisualDataModule::DoIdle
(0003D014) TNonVisualDataModule::SessionIdleTimerTimer
(0037326C) System::Classes::_18201
(00031B59) USER32.dll
(000240EE) USER32.dll
(00023A7D) USER32.dll
(0002384B) 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.