Copying files to remote side failed - System::Classes::TCollection::Add

<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)>
I just updated winscp and it can't copy files. I have tried multiple files and directories and get the same error.
I never got it before. I will try rebooting.

WinSCP 5.15.1

Error message:
Copying files to remote side failed.

Error reading ImageList.PngImages: Access violation at address 514C4010 in module 'WinSCP.exe'. Execution of address 514C4010

Stack trace:
(514C3010)WinSCP.exe
(0007E19F) ntdll.dll
(0006BD81) ntdll.dll.KiUserExceptionDispatcher
(00387ED7) System::Classes::TCollection::Add
(00394897) System::Classes::TReader::ReadPropValue
(003943CA) System::Classes::TReader::ReadProperty
(00393C1D) System::Classes::TReader::ReadDataInner
(00393BFF) System::Classes::TReader::ReadData
(003A1879) System::Classes::TComponent::ReadState
(00393C91) System::Classes::TReader::ReadDataInner
(00393BD0) System::Classes::TReader::ReadData
(003A1879) System::Classes::TComponent::ReadState
(00231CAD) Vcl::Forms::TCustomForm::ReadState
(008A916C) TProgressForm::ReadState
(0038EA76) System::Classes::TStream::ReadComponent
(003844BB) System::Classes::_17089
(00385E0F) System::Classes::_17116
(00385E9D) System::Classes::InitInheritedComponent
(002314A6) Vcl::Forms::TCustomForm::TCustomForm
(00004486) Vcl::Forms::TForm::TForm
(008A2EB7) TProgressForm::TProgressForm
(0000971D) TCustomScpExplorerForm::CreateProgressForm
(000098B8) TCustomScpExplorerForm::FileOperationProgress
(0004E1F7) TScpCommanderForm::FileOperationProgress
(00009C6A) TCustomScpExplorerForm::OperationProgress
(000ACD7A) TTerminalManager::OperationProgress
(00715832) TFileOperationProgressType::DoProgress
(0081CD93) TTerminal::OperationStart
(0081CD0F) TTerminal::OperationStart
(008260B1) TTerminal::CalculateLocalFilesSize
(0082E7AD) TTerminal::CopyToRemote
(0000F9AA) TCustomScpExplorerForm::ExecuteCopyMoveFileOperation
(0001055C) TCustomScpExplorerForm::ExecuteFileOperation
(0002398D) TCustomScpExplorerForm::RemoteFileControlDragDropFileOperation
(00023B25) TCustomScpExplorerForm::RemoteFileControlDDFileOperation
(006CE666) TUnixDirView::PerformItemDragDropOperation
(00445544) Customdirview::TCustomDirView::DDProcessDropped
(0047A3AB) Dragdrop::TDragDrop::WndMethod
(003A346C) System::Classes::_18201
(0003AF19) USER32.dll
(000373E5) USER32.dll
(00036C99) USER32.dll
(00036A7B) USER32.dll.DispatchMessageW

(514C3010)WinSCP.exe

(003941EF) System::Classes::_17687
(00394429) System::Classes::TReader::ReadProperty
(00393C1D) System::Classes::TReader::ReadDataInner
(00393BFF) System::Classes::TReader::ReadData
(003A1879) System::Classes::TComponent::ReadState
(00393C91) System::Classes::TReader::ReadDataInner
(00393BD0) System::Classes::TReader::ReadData
(003A1879) System::Classes::TComponent::ReadState
(00231CAD) Vcl::Forms::TCustomForm::ReadState
(008A916C) TProgressForm::ReadState
(0038EA76) System::Classes::TStream::ReadComponent
(003844BB) System::Classes::_17089
(00385E0F) System::Classes::_17116
(00385E9D) System::Classes::InitInheritedComponent
(002314A6) Vcl::Forms::TCustomForm::TCustomForm
(00004486) Vcl::Forms::TForm::TForm
(008A2EB7) TProgressForm::TProgressForm
(0000971D) TCustomScpExplorerForm::CreateProgressForm
(000098B8) TCustomScpExplorerForm::FileOperationProgress
(0004E1F7) TScpCommanderForm::FileOperationProgress
(00009C6A) TCustomScpExplorerForm::OperationProgress
(000ACD7A) TTerminalManager::OperationProgress
(00715832) TFileOperationProgressType::DoProgress
(0081CD93) TTerminal::OperationStart
(0081CD0F) TTerminal::OperationStart
(008260B1) TTerminal::CalculateLocalFilesSize
(0082E7AD) TTerminal::CopyToRemote
(0000F9AA) TCustomScpExplorerForm::ExecuteCopyMoveFileOperation
(0001055C) TCustomScpExplorerForm::ExecuteFileOperation
(0002398D) TCustomScpExplorerForm::RemoteFileControlDragDropFileOperation
(00023B25) TCustomScpExplorerForm::RemoteFileControlDDFileOperation
(006CE666) TUnixDirView::PerformItemDragDropOperation
(00445544) Customdirview::TCustomDirView::DDProcessDropped
(0047A3AB) Dragdrop::TDragDrop::WndMethod
(003A346C) System::Classes::_18201
(0003AF19) USER32.dll
(000373E5) USER32.dll
(00036C99) USER32.dll
(00036A7B) USER32.dll.DispatchMessageW

(009269D9) C5153_3
(00927FB3) _ReThrowException
(00815FC8) TTerminal::DoProgress
(00715832) TFileOperationProgressType::DoProgress
(0081CD93) TTerminal::OperationStart
(0081CD0F) TTerminal::OperationStart
(008260B1) TTerminal::CalculateLocalFilesSize
(0082E7AD) TTerminal::CopyToRemote
(0000F9AA) TCustomScpExplorerForm::ExecuteCopyMoveFileOperation
(0001055C) TCustomScpExplorerForm::ExecuteFileOperation
(0002398D) TCustomScpExplorerForm::RemoteFileControlDragDropFileOperation
(00023B25) TCustomScpExplorerForm::RemoteFileControlDDFileOperation
(006CE666) TUnixDirView::PerformItemDragDropOperation
(00445544) Customdirview::TCustomDirView::DDProcessDropped
(0047A3AB) Dragdrop::TDragDrop::WndMethod
(003A346C) System::Classes::_18201
(0003AF19) USER32.dll
(000373E5) USER32.dll
(00036C99) USER32.dll
(00036A7B) USER32.dll.DispatchMessageW

(009269D9) C5153_3
(00927FB3) _ReThrowException
(007155A1) TFileOperationProgressType::Start
(0081CD93) TTerminal::OperationStart
(0081CD0F) TTerminal::OperationStart
(008260B1) TTerminal::CalculateLocalFilesSize
(0082E7AD) TTerminal::CopyToRemote
(0000F9AA) TCustomScpExplorerForm::ExecuteCopyMoveFileOperation
(0001055C) TCustomScpExplorerForm::ExecuteFileOperation
(0002398D) TCustomScpExplorerForm::RemoteFileControlDragDropFileOperation
(00023B25) TCustomScpExplorerForm::RemoteFileControlDDFileOperation
(006CE666) TUnixDirView::PerformItemDragDropOperation
(00445544) Customdirview::TCustomDirView::DDProcessDropped
(0047A3AB) Dragdrop::TDragDrop::WndMethod
(003A346C) System::Classes::_18201
(0003AF19) USER32.dll
(000373E5) USER32.dll
(00036C99) USER32.dll
(00036A7B) 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.

please delete--this went away after rebooting. don't know how to erase.

bdc@... wrote:

I just updated winscp and it can't copy files. I have tried multiple files and directories and get the same error.
I never got it before. I will try rebooting.

WinSCP 5.15.1

Error message:
Copying files to remote side failed.

Error reading ImageList.PngImages: Access violation at address 514C4010 in module 'WinSCP.exe'. Execution of address 514C4010

Stack trace:
(0007E19F) ntdll.dll
(0006BD81) ntdll.dll.KiUserExceptionDispatcher
(00387ED7) System::Classes::TCollection::Add
(00394897) System::Classes::TReader::ReadPropValue
(003943CA) System::Classes::TReader::ReadProperty
(514C3010)WinSCP.exe

(00393C1D) System::Classes::TReader::ReadDataInner
(00393BFF) System::Classes::TReader::ReadData
(00393C91) System::Classes::TReader::ReadDataInner
(003A1879) System::Classes::TComponent::ReadState
...

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 6.1.2

Error message:
Error reading QueueView3.Columns: Access violation at address FFFFFFFF. Execution of address FFFFFFFF

Stack trace:
(FFFFEFFF)WinSCP.exe
(000987BF) ntdll.dll
(00077E51) ntdll.dll.KiUserExceptionDispatcher
(001F9C8B) System::Classes::TCollection::Add
(0020664B) System::Classes::TReader::ReadPropValue
(0020617E) System::Classes::TReader::ReadProperty
(002059D1) System::Classes::TReader::ReadDataInner
(002059B3) System::Classes::TReader::ReadData
(0021362D) System::Classes::TComponent::ReadState
(0020582B) System::Classes::TReader::ReadComponent
(00205A45) System::Classes::TReader::ReadDataInner
(002059B3) System::Classes::TReader::ReadData
(0021362D) System::Classes::TComponent::ReadState
(0020582B) System::Classes::TReader::ReadComponent
(00205A45) System::Classes::TReader::ReadDataInner
(00205984) System::Classes::TReader::ReadData
(0021362D) System::Classes::TComponent::ReadState
(003B007D) Vcl::Forms::TCustomForm::ReadState
(0020695F) System::Classes::TReader::ReadRootComponent
(0020082A) System::Classes::TStream::ReadComponent
(001F626F) System::Classes::_17089
(001F7BC3) System::Classes::_17116
(001F7B98) System::Classes::_17116
(001F7C51) System::Classes::InitInheritedComponent
(003AF876) Vcl::Forms::TCustomForm::TCustomForm
(00004E16) Vcl::Forms::TForm::TForm
(00004274) TCustomScpExplorerForm::TCustomScpExplorerForm
(000562FE) TScpCommanderForm::TScpCommanderForm
(003BA826) Vcl::Forms::TApplication::CreateForm
(00EBEC77) _SafeFormCreate
(000027EF) wWinMain
(01001DFD) C5951_0
(0006AE39) ntdll.dll
(0006ADBA) ntdll.dll

(FFFFEFFF)WinSCP.exe

(00205FA3) System::Classes::_17687
(002061DD) System::Classes::TReader::ReadProperty
(002059D1) System::Classes::TReader::ReadDataInner
(002059B3) System::Classes::TReader::ReadData
(0021362D) System::Classes::TComponent::ReadState
(0020582B) System::Classes::TReader::ReadComponent
(00205A45) System::Classes::TReader::ReadDataInner
(002059B3) System::Classes::TReader::ReadData
(0021362D) System::Classes::TComponent::ReadState
(0020582B) System::Classes::TReader::ReadComponent
(00205A45) System::Classes::TReader::ReadDataInner
(00205984) System::Classes::TReader::ReadData
(0021362D) System::Classes::TComponent::ReadState
(003B007D) Vcl::Forms::TCustomForm::ReadState
(0020695F) System::Classes::TReader::ReadRootComponent
(0020082A) System::Classes::TStream::ReadComponent
(001F626F) System::Classes::_17089
(001F7BC3) System::Classes::_17116
(001F7B98) System::Classes::_17116
(001F7C51) System::Classes::InitInheritedComponent
(003AF876) Vcl::Forms::TCustomForm::TCustomForm
(00004E16) Vcl::Forms::TForm::TForm
(00004274) TCustomScpExplorerForm::TCustomScpExplorerForm
(000562FE) TScpCommanderForm::TScpCommanderForm
(003BA826) Vcl::Forms::TApplication::CreateForm
(00EBEC77) _Sa

The problem happens rarely. I cannot reproduce it.