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[quote="miloskocic88@..."]<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 6.7

Error message:
Copying files to remote side failed.

Invalid access to memory.

Stack trace:
(0016AB8C) System::TObject::ClassName
(000B51E0) ntdll.dll
(000B51AF) ntdll.dll
(0006CC4E) ntdll.dll
(0007962A) ntdll.dll
(001620EB) System::UnicodeString::UnicodeString
(008FF1E2) ExceptionLogString
(00161FAB) System::UnicodeString::~UnicodeString
(00A7BB91) TSessionLog::AddException
(00C4BB8C) ___VCL_add_EH
(009EAFF4) TSCPFileSystem::CopyToRemote
(00169700) System::FreeMem
(0016CB5C) System::UStrClr
(0039CF31) System::Internal::Strhlpr::UnicodeFree
(0006A38A) TScpCommanderForm::FileOperationProgress
(003C8A26) Vcl::Controls::TControl::GetTextBuf
(000EA151) TTerminalManager::UpdateAppTitle
(00015174) TCustomScpExplorerForm::OperationProgress
(000E63ED) TTerminalManager::OperationProgress
(00AC5C5D) TTerminal::DoProgress
(0039CF31) System::Internal::Strhlpr::UnicodeFree
(00161FAB) System::UnicodeString::~UnicodeString
(00AE7F9F) TTerminal::CopyToRemote
(000329D7) USER32.dll
(0094A553) IsEffectiveFileNameMask
(0016B3C5) System::AfterConstruction
(0001E101) TCustomScpExplorerForm::ExecuteCopyMoveFileOperation
(000329D7) USER32.dll
(000329EB) USER32.dll
(00079604) ntdll.dll
(000001EA) win32u.dll
(00066780) TScpCommanderForm::BatchStart
(0002007F) TCustomScpExplorerForm::ExecuteFileOperation
(0052132F) Nortonlikelistview::TCustomNortonLikeListView::GetNextItem
(005349E5) Customdirview::TCustomDirView::CustomCreateFileList
(00021856) TCustomScpExplorerForm::ExecuteFileOperation
(00021BEA) TCustomScpExplorerForm::ExecuteFileOperationCommand
(00027541) USER32.dll
(00442992) Vcl::Comctrls::TListItems::GetCount
(00021E46) TCustomScpExplorerForm::ExecuteCopyOperationCommand
(00446F3E) Vcl::Comctrls::TCustomListView::IsEditing
(00045163) TCustomScpExplorerForm::IsBusy
(00058F26) TNonVisualDataModule::ExplorerActionsExecute
(00447C49) Vcl::Comctrls::TCustomListView::GetNextItem
(00447B1C) Vcl::Comctrls::TCustomListView::GetFocused
(00534EE8) Customdirview::TCustomDirView::AnyFileSelected
(000528DC) TNonVisualDataModule::ExplorerActionsUpdate
(000382E7) ntdll.dll
(00251F6C) System::Actions::TContainedActionList::ExecuteAction
(0016B13A) System::CallDynaInst
(003B6A79) Vcl::Actnlist::TCustomAction::Execute
(002343AF) System::Classes::TBasicActionLink::Execute
(00576A48) Tb2item::TTBCustomItem::Click
(0057693B) Tb2item::TTBCustomItem::ClickWndProc
(00235394) System::Classes::_18364
(00038CC1) USER32.dll
(00027D78) USER32.dll
(00027A63) USER32.dll
(0007727A) ntdll.dll
(0003334E) USER32.dll
(00026D45) USER32.dll
(000268AB) USER32.dll
(004DDA87) Vcl::Forms::TApplication::ProcessMessage
(004DDACA) Vcl::Forms::TApplication::HandleMessage
(004DDE09) Vcl::Forms::TApplication::Run
(0015C27B) Execute
(0002809F) ntdll.dll
(0002A7A1) USER32.dll
(0002A77C) USER32.dll
(000AFFA8) ntdll.dll
(004DC941) Vcl::Forms::_17039
(004DD1A7) Vcl::Forms::TApplic

The problem happens rarely. I cannot reproduce it.
[/quote]

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Topic review

martin

Re: Copying files to remote side failed - System::TObject::ClassName

2026-11-03

@chris.good: 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.

chris.good@...

Copying files to remote side failed - System::TObject::ClassName

2026-11-02 20:39

<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 6.7

Error message:
Copying files to remote side failed.

Invalid access to memory.

Stack trace:
(0016AB8C) System::TObject::ClassName
(000B51E0) ntdll.dll
(000B51AF) ntdll.dll
(0006CC4E) ntdll.dll
(0007962A) ntdll.dll
(001696E4) System::GetMem
(0016CAA2) System::NewUnicodeString
(00C4C650) C6490_0
(001620F9) System::UnicodeString::UnicodeString
(001620EB) System::UnicodeString::UnicodeString
(008FF1E2) ExceptionLogString
(00161FAB) System::UnicodeString::~UnicodeString
(00A7BB91) TSessionLog::AddException
(00C4BB8C) ___VCL_add_EH
(009EAFF4) TSCPFileSystem::CopyToRemote
(00010E27) TCustomScpExplorerForm::SetTaskbarListProgressValue
(00014A37) TCustomScpExplorerForm::FileOperationProgress
(0006A38A) TScpCommanderForm::FileOperationProgress
(003C8A26) Vcl::Controls::TControl::GetTextBuf
(000EA151) TTerminalManager::UpdateAppTitle
(00015174) TCustomScpExplorerForm::OperationProgress
(000E63ED) TTerminalManager::OperationProgress
(00AC5C5D) TTerminal::DoProgress
(0039CF31) System::Internal::Strhlpr::UnicodeFree
(00AEB896) TTerminal::LogTotalTransferDetails
(00AE7F9F) TTerminal::CopyToRemote
(000329D7) USER32.dll
(0094A553) IsEffectiveFileNameMask
(0016B3C5) System::AfterConstruction
(0001E101) TCustomScpExplorerForm::ExecuteCopyMoveFileOperation
(00027D78) USER32.dll
(00027E79) USER32.dll
(0002781B) USER32.dll
(000329D7) USER32.dll
(0007727A) ntdll.dll
(000329EB) USER32.dll
(00079604) ntdll.dll
(00066780) TScpCommanderForm::BatchStart
(0002007F) TCustomScpExplorerForm::ExecuteFileOperation
(00534269) Customdirview::TCustomDirView::GetFilesCount
(0003B560) TCustomScpExplorerForm::RemoteFileControlDragDropFileOperation
(0003B870) TCustomScpExplorerForm::RemoteFileControlDDFileOperation
(008EF055) TUnixDirView::GetPath
(00161FAB) System::UnicodeString::~UnicodeString
(008EE9C5) TUnixDirView::PerformItemDragDropOperation
(00260393) Winapi::Commctrl::ListView_GetNextItem
(00447C35) Vcl::Comctrls::TCustomListView::GetNextItem
(00534DF4) Customdirview::TCustomDirView::DDProcessDropped
(0055AB6C) Dragdrop::TDragDrop::WndMethod
(0008C1C5) OLE32.DLL
(00235394) System::Classes::_18364
(00038CC1) USER32.dll
(00027D78) USER32.dll
(00027A63) USER32.dll
(0007727A) ntdll.dll
(0003334E) USER32.dll
(000001AA) win32u.dll
(00026D45) USER32.dll
(000262FF) USER32.dll
(000268AB) USER32.dll
(004DDA87) Vcl::Forms::TApplication::ProcessMessage
(004DDAB2) Vcl::Forms::TApplication::ProcessMessages
(00535614) Customdirview::TCustomDirView::DDDragDetect
(00542A71) Dirviewint::TDirViewInt::DDDragDetect
(00531D84) Customdirview::TCustomDirView::CNNotify
(003CA36A) Vcl::Controls::TControl::WndProc
(00027E82) USER32.dll
(00027E12) USER32.dll
(00027A63) USER32.dll
(00027E79) USER32.dll
(000274E5) USER32.dll
(00027E79) USER32.dll
(0005E3B1) ntdll.dll
(000274E5) USER32.dll
(003CF515) Vcl::Controls::TWinControl::WndProc
(000274E5) USER32.dll
(003CF515) Vcl::Cont

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.

chris.good@...

Copying files to remote side failed - System::TObject::ClassName

2026-11-01 20:47

<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 6.7

Error message:
Copying files to remote side failed.

Invalid access to memory.

Stack trace:
(0016AB8C) System::TObject::ClassName
(000B51E0) ntdll.dll
(000B51AF) ntdll.dll
(0006CC4E) ntdll.dll
(0007962A) ntdll.dll
(0016CAA2) System::NewUnicodeString
(00C4C650) C6490_0
(001620F9) System::UnicodeString::UnicodeString
(001620EB) System::UnicodeString::UnicodeString
(008FF1E2) ExceptionLogString
(00161FAB) System::UnicodeString::~UnicodeString
(00A7BB91) TSessionLog::AddException
(00C4BB8C) ___VCL_add_EH
(009EAFF4) TSCPFileSystem::CopyToRemote
(00010E27) TCustomScpExplorerForm::SetTaskbarListProgressValue
(00014A37) TCustomScpExplorerForm::FileOperationProgress
(0006A38A) TScpCommanderForm::FileOperationProgress
(003C8A26) Vcl::Controls::TControl::GetTextBuf
(000EA151) TTerminalManager::UpdateAppTitle
(00015174) TCustomScpExplorerForm::OperationProgress
(000E63ED) TTerminalManager::OperationProgress
(00AC5C5D) TTerminal::DoProgress
(0039CF31) System::Internal::Strhlpr::UnicodeFree
(00AEB896) TTerminal::LogTotalTransferDetails
(00AE7F9F) TTerminal::CopyToRemote
(000329D7) USER32.dll
(0094A553) IsEffectiveFileNameMask
(00221866) System::Classes::TStringList::SetCapacity
(0016B3C5) System::AfterConstruction
(0001E101) TCustomScpExplorerForm::ExecuteCopyMoveFileOperation
(00027D78) USER32.dll
(00027E79) USER32.dll
(0002781B) USER32.dll
(000329D7) USER32.dll
(0007727A) ntdll.dll
(000329EB) USER32.dll
(00079604) ntdll.dll
(00066780) TScpCommanderForm::BatchStart
(0002007F) TCustomScpExplorerForm::ExecuteFileOperation
(00534269) Customdirview::TCustomDirView::GetFilesCount
(0003B560) TCustomScpExplorerForm::RemoteFileControlDragDropFileOperation
(0003B870) TCustomScpExplorerForm::RemoteFileControlDDFileOperation
(008EF055) TUnixDirView::GetPath
(00161FAB) System::UnicodeString::~UnicodeString
(008EE9C5) TUnixDirView::PerformItemDragDropOperation
(00260393) Winapi::Commctrl::ListView_GetNextItem
(00447C35) Vcl::Comctrls::TCustomListView::GetNextItem
(00534DF4) Customdirview::TCustomDirView::DDProcessDropped
(0055AB6C) Dragdrop::TDragDrop::WndMethod
(0008C1C5) OLE32.DLL
(00235394) System::Classes::_18364
(00038CC1) USER32.dll
(00027D78) USER32.dll
(00027A63) USER32.dll
(0007727A) ntdll.dll
(0003334E) USER32.dll
(000001AA) win32u.dll
(00026D45) USER32.dll
(000262FF) USER32.dll
(000268AB) USER32.dll
(004DDA87) Vcl::Forms::TApplication::ProcessMessage
(004DDAB2) Vcl::Forms::TApplication::ProcessMessages
(00535614) Customdirview::TCustomDirView::DDDragDetect
(00542A71) Dirviewint::TDirViewInt::DDDragDetect
(00531D84) Customdirview::TCustomDirView::CNNotify
(003CA36A) Vcl::Controls::TControl::WndProc
(00027E82) USER32.dll
(00027E12) USER32.dll
(00027A63) USER32.dll
(00027E79) USER32.dll
(000274E5) USER32.dll
(0005E3B1) ntdll.dll
(000274E5) USER32.dll
(003CF515) Vcl::Controls::TWinControl::WndProc
(000274E5) USER32.dll
(003CF515) Vcl::Co

The problem happens rarely. I cannot reproduce it.

matnor0305@...

リモートへのファイルのコピーに失敗。 - System::TObject::ClassName

2026-10-28 05:45

<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 6.7

Error message:
リモートへのファイルのコピーに失敗。

メモリのアクセス違反

スタックトレース:
(0016AB8C) System::TObject::ClassName
(000B51E0) ntdll.dll
(000B51AF) ntdll.dll
(0006CC4E) ntdll.dll
(0007962A) ntdll.dll
(0016CAA2) System::NewUnicodeString
(00C4C650) C6490_0
(001620F9) System::UnicodeString::UnicodeString
(001620EB) System::UnicodeString::UnicodeString
(008FF1E2) ExceptionLogString
(00161FAB) System::UnicodeString::~UnicodeString
(00A7BB91) TSessionLog::AddException
(00C4BB8C) ___VCL_add_EH
(009EAFF4) TSCPFileSystem::CopyToRemote
(00010E27) TCustomScpExplorerForm::SetTaskbarListProgressValue
(00014A37) TCustomScpExplorerForm::FileOperationProgress
(0006A38A) TScpCommanderForm::FileOperationProgress
(003C8A26) Vcl::Controls::TControl::GetTextBuf
(000EA151) TTerminalManager::UpdateAppTitle
(00015174) TCustomScpExplorerForm::OperationProgress
(000E63ED) TTerminalManager::OperationProgress
(00AC5C5D) TTerminal::DoProgress
(0039CF31) System::Internal::Strhlpr::UnicodeFree
(00AEB896) TTerminal::LogTotalTransferDetails
(00AE7F9F) TTerminal::CopyToRemote
(000329D7) USER32.dll
(0094A553) IsEffectiveFileNameMask
(0016B3C5) System::AfterConstruction
(0001E101) TCustomScpExplorerForm::ExecuteCopyMoveFileOperation
(000329D7) USER32.dll
(000329EB) USER32.dll
(00079604) ntdll.dll
(000001EA) win32u.dll
(00066780) TScpCommanderForm::BatchStart
(0002007F) TCustomScpExplorerForm::ExecuteFileOperation
(0052132F) Nortonlikelistview::TCustomNortonLikeListView::GetNextItem
(005349E5) Customdirview::TCustomDirView::CustomCreateFileList
(00021856) TCustomScpExplorerForm::ExecuteFileOperation
(00021BEA) TCustomScpExplorerForm::ExecuteFileOperationCommand
(00027541) USER32.dll
(00442992) Vcl::Comctrls::TListItems::GetCount
(00021E46) TCustomScpExplorerForm::ExecuteCopyOperationCommand
(00446F3E) Vcl::Comctrls::TCustomListView::IsEditing
(00045163) TCustomScpExplorerForm::IsBusy
(00058F26) TNonVisualDataModule::ExplorerActionsExecute
(00447C49) Vcl::Comctrls::TCustomListView::GetNextItem
(00447B1C) Vcl::Comctrls::TCustomListView::GetFocused
(00534EE8) Customdirview::TCustomDirView::AnyFileSelected
(000528DC) TNonVisualDataModule::ExplorerActionsUpdate
(000382E7) ntdll.dll
(00251F6C) System::Actions::TContainedActionList::ExecuteAction
(0016B13A) System::CallDynaInst
(003B6A79) Vcl::Actnlist::TCustomAction::Execute
(002343AF) System::Classes::TBasicActionLink::Execute
(00576A48) Tb2item::TTBCustomItem::Click
(0057693B) Tb2item::TTBCustomItem::ClickWndProc
(00235394) System::Classes::_18364
(00038CC1) USER32.dll
(00027D78) USER32.dll
(00027A63) USER32.dll
(0007727A) ntdll.dll
(0003334E) USER32.dll
(00026D45) USER32.dll
(000268AB) USER32.dll
(004DDA87) Vcl::Forms::TApplication::ProcessMessage
(004DDACA) Vc

The problem happens rarely. I cannot reproduce it.

cnocbahwr@...

Copying files to remote side failed - System::TObject::ClassName

2026-10-24 12:12

<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 6.7

Error message:
Copying files to remote side failed.

Invalid access to memory.

Stack trace:
(0016AB8C) System::TObject::ClassName
(000B51E0) ntdll.dll
(000B51AF) ntdll.dll
(0006CC4E) ntdll.dll
(0007962A) ntdll.dll
(00C4C650) C6490_0
(001620F9) System::UnicodeString::UnicodeString
(001620EB) System::UnicodeString::UnicodeString
(008FF1E2) ExceptionLogString
(00161FAB) System::UnicodeString::~UnicodeString
(00A7BB91) TSessionLog::AddException
(00C4BB8C) ___VCL_add_EH
(009EAFF4) TSCPFileSystem::CopyToRemote
(00010E27) TCustomScpExplorerForm::SetTaskbarListProgressValue
(00014A37) TCustomScpExplorerForm::FileOperationProgress
(0006A38A) TScpCommanderForm::FileOperationProgress
(00015174) TCustomScpExplorerForm::OperationProgress
(00AC5C5D) TTerminal::DoProgress
(0039CF31) System::Internal::Strhlpr::UnicodeFree
(00AEB896) TTerminal::LogTotalTransferDetails
(00AE7F9F) TTerminal::CopyToRemote
(000329D7) USER32.dll
(0094A553) IsEffectiveFileNameMask
(0016B3C5) System::AfterConstruction
(0001E101) TCustomScpExplorerForm::ExecuteCopyMoveFileOperation
(000329D7) USER32.dll
(000329EB) USER32.dll
(00079604) ntdll.dll
(000001EA) win32u.dll
(00066780) TScpCommanderForm::BatchStart
(0002007F) TCustomScpExplorerForm::ExecuteFileOperation
(0052132F) Nortonlikelistview::TCustomNortonLikeListView::GetNextItem
(005349E5) Customdirview::TCustomDirView::CustomCreateFileList
(00021856) TCustomScpExplorerForm::ExecuteFileOperation
(00021BEA) TCustomScpExplorerForm::ExecuteFileOperationCommand
(00027541) USER32.dll
(00442992) Vcl::Comctrls::TListItems::GetCount
(00021E46) TCustomScpExplorerForm::ExecuteCopyOperationCommand
(00446F3E) Vcl::Comctrls::TCustomListView::IsEditing
(00045163) TCustomScpExplorerForm::IsBusy
(00058C64) TNonVisualDataModule::ExplorerActionsExecute
(003CA36A) Vcl::Controls::TControl::WndProc
(0002781B) USER32.dll
(00AB7387) TTerminal::GetActive
(000ED40A) TTerminalManager::IsAvailableTerminal
(00534F29) Customdirview::TCustomDirView::AnyFileSelected
(000528DC) TNonVisualDataModule::ExplorerActionsUpdate
(003CF515) Vcl::Controls::TWinControl::WndProc
(00027F12) USER32.dll
(00050714) ntdll.dll
(003CECD4) Vcl::Controls::TWinControl::IsControlMouseMsg
(00251F6C) System::Actions::TContainedActionList::ExecuteAction
(0016B13A) System::CallDynaInst
(003B6A79) Vcl::Actnlist::TCustomAction::Execute
(002343AF) System::Classes::TBasicActionLink::Execute
(00576A48) Tb2item::TTBCustomItem::Click
(0057693B) Tb2item::TTBCustomItem::ClickWndProc
(00235394) System::Classes::_18364
(00038CC1) USER32.dll
(00027D78) USER32.dll
(00027A63) USER32.dll
(0002781B) USER32.dll
(0007727A) ntdll.dll
(0003334E) USER32.dll
(00026D45) USER32.dll
(000268AB) USER32.dll
(004DDA87) Vcl::Forms::TApplication::ProcessMessage
(004DDACA) Vcl::Forms::TApplication::HandleMessage
(004DDE09) Vcl::Forms::TApplication::Run
(0015C27B) Execute
(0002809F) ntdll.dll
(00026383) UXTHEME.DLL%

The problem happens rarely. I cannot reproduce it.

michal@...

Kopírování souborů do vzdáleného adresáře selhalo - System::TObject::ClassName

2026-10-22 11:18

<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 6.7

Error message:
Kopírování souborů do vzdáleného adresáře selhalo.

Chyba přístupu do paměti.

Stack trace:
(0016AB8C) System::TObject::ClassName
(0066EFFB) CMainThread::GetWorkingDir
(00099A50) ntdll.dll
(00099A1F) ntdll.dll
(0006C3C1) ntdll.dll
(00078491) ntdll.dll
(00C4C650) C6490_0
(001620F9) System::UnicodeString::UnicodeString
(001620EB) System::UnicodeString::UnicodeString
(008FF1E2) ExceptionLogString
(00161FAB) System::UnicodeString::~UnicodeString
(00A7BB91) TSessionLog::AddException
(00C4BB8C) ___VCL_add_EH
(009EAFF4) TSCPFileSystem::CopyToRemote
(00C6EC2D) LSDA_134forms\CustomScpExplorer.cpp_$_@TCustomScpExplorerForm@UnlockWindow$qqrv
(00169700) System::FreeMem
(0016CB5C) System::UStrClr
(0039CF31) System::Internal::Strhlpr::UnicodeFree
(0006A38A) TScpCommanderForm::FileOperationProgress
(00015174) TCustomScpExplorerForm::OperationProgress
(001454B2) KERNELBASE.dll
(00AC5C5D) TTerminal::DoProgress
(0039CF31) System::Internal::Strhlpr::UnicodeFree
(00161FAB) System::UnicodeString::~UnicodeString
(00AE7F9F) TTerminal::CopyToRemote
(00570176) Tb2hook::_16395
(00075E7A) ntdll.dll
(0007844B) ntdll.dll
(0094A553) IsEffectiveFileNameMask
(0016B3C5) System::AfterConstruction
(0001E101) TCustomScpExplorerForm::ExecuteCopyMoveFileOperation
(00022F54) USER32.dll
(0002CE8D) USER32.dll
(00075E7A) ntdll.dll
(0002CEA1) USER32.dll
(0007844B) ntdll.dll
(00C6F7D1) LSDA_205forms\CustomScpExplorer.cpp_$_@TCustomScpExplorerForm@UpdateCopyParamCounters$qqrrx14TCopyParamType
(00066780) TScpCommanderForm::BatchStart
(0002007F) TCustomScpExplorerForm::ExecuteFileOperation
(0052132F) Nortonlikelistview::TCustomNortonLikeListView::GetNextItem
(005349E5) Customdirview::TCustomDirView::CustomCreateFileList
(00021856) TCustomScpExplorerForm::ExecuteFileOperation
(00021BEA) TCustomScpExplorerForm::ExecuteFileOperationCommand
(00021CD1) USER32.dll
(00442992) Vcl::Comctrls::TListItems::GetCount
(00021E46) TCustomScpExplorerForm::ExecuteCopyOperationCommand
(00446F3E) Vcl::Comctrls::TCustomListView::IsEditing
(00045163) TCustomScpExplorerForm::IsBusy
(00058C64) TNonVisualDataModule::ExplorerActionsExecute
(00075E7A) ntdll.dll
(0002CEA1) USER32.dll
(00AB7387) TTerminal::GetActive
(00534F29) Customdirview::TCustomDirView::AnyFileSelected
(000ED40A) TTerminalManager::IsAvailableTerminal
(00534F29) Customdirview::TCustomDirView::AnyFileSelected
(000528DC) TNonVisualDataModule::ExplorerActionsUpdate
(00251F6C) System::Actions::TContainedActionList::ExecuteAction
(0016B13A) System::CallDynaInst
(003B6A79) Vcl::Actnlist::TCustomAction::Execute
(00029673) TCustomScpExplorerForm::KeyDown
(00025240) CoreUIComponents.dll
(003D0FB6) Vcl::Controls::TWinControl::DoKeyDown
(003D0F51) Vcl::Controls::TWinControl::DoKeyDown
(003D0FE2) Vcl::Controls::TWinControl::WMKeyDown
(005208D3) Nortonlikelistview::TCustomNortonLikeListView::WMKeyDown
(003CA36A) Vcl::Controls::TControl::WndProc%

The problem happens rarely. I cannot reproduce it.

miloskocic88@...

Copying files to remote side failed - System::TObject::ClassName

2026-10-18 02:29

<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 6.7

Error message:
Copying files to remote side failed.

Invalid access to memory.

Stack trace:
(0016AB8C) System::TObject::ClassName
(000B51E0) ntdll.dll
(000B51AF) ntdll.dll
(0006CC4E) ntdll.dll
(0007962A) ntdll.dll
(001620EB) System::UnicodeString::UnicodeString
(008FF1E2) ExceptionLogString
(00161FAB) System::UnicodeString::~UnicodeString
(00A7BB91) TSessionLog::AddException
(00C4BB8C) ___VCL_add_EH
(009EAFF4) TSCPFileSystem::CopyToRemote
(00169700) System::FreeMem
(0016CB5C) System::UStrClr
(0039CF31) System::Internal::Strhlpr::UnicodeFree
(0006A38A) TScpCommanderForm::FileOperationProgress
(003C8A26) Vcl::Controls::TControl::GetTextBuf
(000EA151) TTerminalManager::UpdateAppTitle
(00015174) TCustomScpExplorerForm::OperationProgress
(000E63ED) TTerminalManager::OperationProgress
(00AC5C5D) TTerminal::DoProgress
(0039CF31) System::Internal::Strhlpr::UnicodeFree
(00161FAB) System::UnicodeString::~UnicodeString
(00AE7F9F) TTerminal::CopyToRemote
(000329D7) USER32.dll
(0094A553) IsEffectiveFileNameMask
(0016B3C5) System::AfterConstruction
(0001E101) TCustomScpExplorerForm::ExecuteCopyMoveFileOperation
(000329D7) USER32.dll
(000329EB) USER32.dll
(00079604) ntdll.dll
(000001EA) win32u.dll
(00066780) TScpCommanderForm::BatchStart
(0002007F) TCustomScpExplorerForm::ExecuteFileOperation
(0052132F) Nortonlikelistview::TCustomNortonLikeListView::GetNextItem
(005349E5) Customdirview::TCustomDirView::CustomCreateFileList
(00021856) TCustomScpExplorerForm::ExecuteFileOperation
(00021BEA) TCustomScpExplorerForm::ExecuteFileOperationCommand
(00027541) USER32.dll
(00442992) Vcl::Comctrls::TListItems::GetCount
(00021E46) TCustomScpExplorerForm::ExecuteCopyOperationCommand
(00446F3E) Vcl::Comctrls::TCustomListView::IsEditing
(00045163) TCustomScpExplorerForm::IsBusy
(00058F26) TNonVisualDataModule::ExplorerActionsExecute
(00447C49) Vcl::Comctrls::TCustomListView::GetNextItem
(00447B1C) Vcl::Comctrls::TCustomListView::GetFocused
(00534EE8) Customdirview::TCustomDirView::AnyFileSelected
(000528DC) TNonVisualDataModule::ExplorerActionsUpdate
(000382E7) ntdll.dll
(00251F6C) System::Actions::TContainedActionList::ExecuteAction
(0016B13A) System::CallDynaInst
(003B6A79) Vcl::Actnlist::TCustomAction::Execute
(002343AF) System::Classes::TBasicActionLink::Execute
(00576A48) Tb2item::TTBCustomItem::Click
(0057693B) Tb2item::TTBCustomItem::ClickWndProc
(00235394) System::Classes::_18364
(00038CC1) USER32.dll
(00027D78) USER32.dll
(00027A63) USER32.dll
(0007727A) ntdll.dll
(0003334E) USER32.dll
(00026D45) USER32.dll
(000268AB) USER32.dll
(004DDA87) Vcl::Forms::TApplication::ProcessMessage
(004DDACA) Vcl::Forms::TApplication::HandleMessage
(004DDE09) Vcl::Forms::TApplication::Run
(0015C27B) Execute
(0002809F) ntdll.dll
(0002A7A1) USER32.dll
(0002A77C) USER32.dll
(000AFFA8) ntdll.dll
(004DC941) Vcl::Forms::_17039
(004DD1A7) Vcl::Forms::TApplic

The problem happens rarely. I cannot reproduce it.

tiborgyri@...

Copying files to remote side failed - System::TObject::ClassName

2026-03-25 14:56

Tried to upload a file where I have no write permission on the remote server, it failed of course, and I pressed the Abort button in the dialogue.

WinSCP 6.6

Error message:
Copying files to remote side failed.

Invalid access to memory.

Stack trace:
(00165F18) System::TObject::ClassName
(005EDDC0) Jclhookexcept::_16406
(005EDFA9) Jclhookexcept::_16409
(00C754DA) ____ExceptionHandler
(00085DE0) ntdll.dll
(00085DAF) ntdll.dll
(00067A39) ntdll.dll.RtlUnwind
(000730C1) ntdll.dll.KiUserExceptionDispatcher
(0015D483) System::UnicodeString::UnicodeString
(0091585A) ExceptionLogString
(0015D343) System::UnicodeString::~UnicodeString
(00A8EBE5) TSessionLog::AddException
(00C5D0C8) ___VCL_add_EH
(00A014CC) TSCPFileSystem::CopyToRemote
(00167EE8) System::UStrClr
(0039AA41) System::Internal::Strhlpr::UnicodeFree
(0015D343) System::UnicodeString::~UnicodeString
(001636F1) System::SysGetMem
(00164A70) System::GetMem
(0015D343) System::UnicodeString::~UnicodeString
(00163A26) System::SysFreeMem
(0039AA41) System::Internal::Strhlpr::UnicodeFree
(00AFE122) TTerminal::LogTotalTransferDetails
(00AFA82B) TTerminal::CopyToRemote
(00AE0928) TTerminal::DoReadDirectoryFinish
(00B0AA1B) TSecondaryTerminal::DirectoryLoaded
(00ADB72F) TTerminal::ChangeDirectory
(00C5CE5D) __internal_malloc
(00ACB33B) TParallelOperation::TParallelOperation
(009B9B43) TUploadQueueItem::DoTransferExecute
(0004A87B) TEditorUploadQueueItem::DoTransferExecute
(009B885F) TTransferQueueItem::DoExecute
(002E93FF) System::Syncobjs::TCriticalSection::Release
(009B6BA9) TQueueItem::Execute
(009B66D0) TTerminalItem::ProcessEvent
(00070C4A) ntdll.dll.ZwWaitForSingleObject
(00119413) KERNELBASE.dll.WaitForSingleObjectEx
(00119431) KERNELBASE.dll.WaitForSingleObjectEx
(0011936D) KERNELBASE.dll.WaitForSingleObject
(009B245A) TSignalThread::WaitForEvent
(009B24D4) TSignalThread::Execute
(009B1EDF) TSimpleThread::ThreadProc
(000FDD8C) C20_0
(00167D7C) System::_17354
(0001F5C7) KERNEL32.DLL.BaseThreadInitThunk
(00066E4B) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066E18) ntdll.dll.RtlGetAppContainerNamedObjectPath

The problem happens rarely. I cannot reproduce it.

martin

Re: Copying files to remote side failed - System::TObject::ClassName

2026-03-05

@neelahm: 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.

neelahm@...

Copying files to remote side failed - System::TObject::ClassName

2026-02-23 16:44

<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 6.6

Error message:
Copying files to remote side failed.

Invalid access to memory.

Stack trace:
(00165F18) System::TObject::ClassName
(005EDDC0) Jclhookexcept::_16406
(005EDFA9) Jclhookexcept::_16409
(00C754DA) ____ExceptionHandler
(000B3490) ntdll.dll
(000B345F) ntdll.dll
(0006DD2E) ntdll.dll
(0007A7CA) ntdll.dll.KiUserExceptionDispatcher
(0015D483) System::UnicodeString::UnicodeString
(0091585A) ExceptionLogString
(0015D343) System::UnicodeString::~UnicodeString
(00A8EBE5) TSessionLog::AddException
(00C5D0C8) ___VCL_add_EH
(00A014CC) TSCPFileSystem::CopyToRemote
(0039A9DA) System::Internal::Strhlpr::UnicodeAppend
(00164A8C) System::FreeMem
(00167EE8) System::UStrClr
(0039AA41) System::Internal::Strhlpr::UnicodeFree
(0015D343) System::UnicodeString::~UnicodeString
(00164A70) System::GetMem
(0015D343) System::UnicodeString::~UnicodeString
(009509D4) TCopyParamType::GetLogStr
(0039AA41) System::Internal::Strhlpr::UnicodeFree
(00AFE122) TTerminal::LogTotalTransferDetails
(00AFA82B) TTerminal::CopyToRemote
(00154663) KERNELBASE.dll
(00C5CE5D) __internal_malloc
(00C55189) operator new
(0039AA41) System::Internal::Strhlpr::UnicodeFree
(0039AA32) System::Internal::Strhlpr::UnicodeAssign
(0015D3B1) System::UnicodeString::UnicodeString
(00ADB319) TTerminal::SetCurrentDirectoryW
(009B9B43) TUploadQueueItem::DoTransferExecute
(009B885F) TTransferQueueItem::DoExecute
(002E93FF) System::Syncobjs::TCriticalSection::Release
(009B6BA9) TQueueItem::Execute
(009B66D0) TTerminalItem::ProcessEvent
(000781BA) ntdll.dll.ZwWaitForSingleObject
(001556F2) KERNELBASE.dll.WaitForSingleObjectEx
(00155710) KERNELBASE.dll.WaitForSingleObjectEx
(0015565D) KERNELBASE.dll.WaitForSingleObject
(009B245A) TSignalThread::WaitForEvent
(009B24D4) TSignalThread::Execute
(009B1EDF) TSimpleThread::ThreadProc
(000FDD8C) C20_0
(00167D7C) System::_17354
(00014D47) KERNEL32.DLL.BaseThreadInitThunk
(0006C839) ntdll.dll
(0006C7BC) ntdll.dll

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