Invalid access to memory - Vcl::Comctrls::TCustomTreeView::CNNotify
<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
Error message:
Invalid access to memory.
Stack trace:
(002B5948) Vcl::Comctrls::TCustomTreeView::CNNotify
(000878AF) ntdll.dll
(00073EE1) ntdll.dll.KiUserExceptionDispatcher
(0046E12D) Customdriveview::TCustomDriveView::CNNotify
(002800B5) Vcl::Controls::TWinControl::WndProc
(002B6406) Vcl::Comctrls::TCustomTreeView::WndProc
(0028021B) Vcl::Controls::_17076
(002800B5) Vcl::Controls::TWinControl::WndProc
(0027F6FC) Vcl::Controls::TWinControl::MainWndProc
(003C7838) System::Classes::_18201
(000426D9) USER32.dll
(00039665) USER32.dll
(00039265) USER32.dll
(0003CE3D) USER32.dll
(00073E9B) ntdll.dll.KiUserCallbackDispatcher
(0003708A) USER32.dll.SendMessageW
(00068881) COMCTL32.DLL
(00053D74) COMCTL32.DLL
(00020B8A) COMCTL32.DLL
(0002090B) COMCTL32.DLL
(000207B6) COMCTL32.DLL
(0003EEA8) COMCTL32.DLL
(000426D9) USER32.dll
(00039665) USER32.dll
(00038D42) USER32.dll
(00036EE6) USER32.dll.CallWindowProcW
(002801C6) Vcl::Controls::TWinControl::DefaultHandler
(002800B5) Vcl::Controls::TWinControl::WndProc
(002B6406) Vcl::Comctrls::TCustomTreeView::WndProc
(003C7838) System::Classes::_18201
(000426D9) USER32.dll
(00039665) USER32.dll
(00039265) USER32.dll
(00040587) USER32.dll.GetDC
(00073E9B) ntdll.dll.KiUserCallbackDispatcher
(00030E62) USER32.dll.CreateWindowExW
(00030D33) USER32.dll.CreateWindowExW
(0042DC2B) Winapi::Windows::CreateWindowEx
(0027EE0C) Vcl::Controls::TWinControl::CreateWindowHandle
(002B4B48) Vcl::Comctrls::TCustomTreeView::CreateWnd
(0046D08D) Customdriveview::TCustomDriveView::CreateWnd
(003B8796) System::Classes::TReader::ReadProperty
(003B7FE9) System::Classes::TReader::ReadDataInner
(003B7FCB) System::Classes::TReader::ReadData
(003C5C45) System::Classes::TComponent::ReadState
(003B7E43) System::Classes::TReader::ReadComponent
(003B805D) System::Classes::TReader::ReadDataInner
(003B7FCB) System::Classes::TReader::ReadData
(003C5C45) System::Classes::TComponent::ReadState
(003B7E43) System::Classes::TReader::ReadComponent
(003B805D) System::Classes::TReader::ReadDataInner
(003B7FCB) System::Classes::TReader::ReadData
(003C5C45) System::Classes::TComponent::ReadState
(003B7E43) System::Classes::TReader::ReadComponent
(003B805D) System::Classes::TReader::ReadDataInner
(003B7F9C) System::Classes::TReader::ReadData
(003C5C45) System::Classes::TComponent::ReadState
(00239559) Vcl::Forms::TCustomForm::ReadState
(003B8F77) System::Classes::TReader::ReadRootComponent
(003B2E42) System::Classes::TStream::ReadComponent
(003A8887) System::Classes::_17089
(003AA1DB) System::Classes::_17116
(003AA1B0) System::Classes::_17116
(003AA269) System::Classes::InitInheritedComponent
(00238D52) Vcl::Forms::TCustomForm::TCustomForm
(000045BA) Vcl::Forms::TForm::TForm
(00003B0D) TCustomScpExplorerForm::TCustomScpExplorerForm
(0004FAF6) TScpCommanderForm::TScpCommand
The problem happens rarely. I cannot reproduce it.
<If relevant, consider attaching a session log file or a screenshot)>
WinSCP 5.19
Error message:
Invalid access to memory.
Stack trace:
(002B5948) Vcl::Comctrls::TCustomTreeView::CNNotify
(000878AF) ntdll.dll
(00073EE1) ntdll.dll.KiUserExceptionDispatcher
(0046E12D) Customdriveview::TCustomDriveView::CNNotify
(002800B5) Vcl::Controls::TWinControl::WndProc
(002B6406) Vcl::Comctrls::TCustomTreeView::WndProc
(0028021B) Vcl::Controls::_17076
(002800B5) Vcl::Controls::TWinControl::WndProc
(0027F6FC) Vcl::Controls::TWinControl::MainWndProc
(003C7838) System::Classes::_18201
(000426D9) USER32.dll
(00039665) USER32.dll
(00039265) USER32.dll
(0003CE3D) USER32.dll
(00073E9B) ntdll.dll.KiUserCallbackDispatcher
(0003708A) USER32.dll.SendMessageW
(00068881) COMCTL32.DLL
(00053D74) COMCTL32.DLL
(00020B8A) COMCTL32.DLL
(0002090B) COMCTL32.DLL
(000207B6) COMCTL32.DLL
(0003EEA8) COMCTL32.DLL
(000426D9) USER32.dll
(00039665) USER32.dll
(00038D42) USER32.dll
(00036EE6) USER32.dll.CallWindowProcW
(002801C6) Vcl::Controls::TWinControl::DefaultHandler
(002800B5) Vcl::Controls::TWinControl::WndProc
(002B6406) Vcl::Comctrls::TCustomTreeView::WndProc
(003C7838) System::Classes::_18201
(000426D9) USER32.dll
(00039665) USER32.dll
(00039265) USER32.dll
(00040587) USER32.dll.GetDC
(00073E9B) ntdll.dll.KiUserCallbackDispatcher
(00030E62) USER32.dll.CreateWindowExW
(00030D33) USER32.dll.CreateWindowExW
(0042DC2B) Winapi::Windows::CreateWindowEx
(0027EE0C) Vcl::Controls::TWinControl::CreateWindowHandle
(002B4B48) Vcl::Comctrls::TCustomTreeView::CreateWnd
(0046D08D) Customdriveview::TCustomDriveView::CreateWnd
(003B8796) System::Classes::TReader::ReadProperty
(003B7FE9) System::Classes::TReader::ReadDataInner
(003B7FCB) System::Classes::TReader::ReadData
(003C5C45) System::Classes::TComponent::ReadState
(003B7E43) System::Classes::TReader::ReadComponent
(003B805D) System::Classes::TReader::ReadDataInner
(003B7FCB) System::Classes::TReader::ReadData
(003C5C45) System::Classes::TComponent::ReadState
(003B7E43) System::Classes::TReader::ReadComponent
(003B805D) System::Classes::TReader::ReadDataInner
(003B7FCB) System::Classes::TReader::ReadData
(003C5C45) System::Classes::TComponent::ReadState
(003B7E43) System::Classes::TReader::ReadComponent
(003B805D) System::Classes::TReader::ReadDataInner
(003B7F9C) System::Classes::TReader::ReadData
(003C5C45) System::Classes::TComponent::ReadState
(00239559) Vcl::Forms::TCustomForm::ReadState
(003B8F77) System::Classes::TReader::ReadRootComponent
(003B2E42) System::Classes::TStream::ReadComponent
(003A8887) System::Classes::_17089
(003AA1DB) System::Classes::_17116
(003AA1B0) System::Classes::_17116
(003AA269) System::Classes::InitInheritedComponent
(00238D52) Vcl::Forms::TCustomForm::TCustomForm
(000045BA) Vcl::Forms::TForm::TForm
(00003B0D) TCustomScpExplorerForm::TCustomScpExplorerForm
(0004FAF6) TScpCommanderForm::TScpCommand
The problem happens rarely. I cannot reproduce it.