Invalid access to memory - System::FillChar
<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 6.5.6
Error message:
Invalid access to memory.
Stack trace:
(001371E6) System::FillChar
(000B367F) ntdll.dll
(0007A5AA) ntdll.dll.KiUserExceptionDispatcher
(005B536D) Vcl::Imaging::Pngimage::TChunkIHDR::Assign
(001379F2) System::TObject::Free
(000B367F) ntdll.dll
(0007A5AA) ntdll.dll.KiUserExceptionDispatcher
(003819B1) Vcl::Graphics::TPicture::SetGraphic
(003822C4) Vcl::Graphics::TPicture::Assign
(0009A5C3) LoadDialogImage
(00DBC2BF) TMessageForm::Create
(00DBE6D5) CreateMoreMessageDialog
(0011524B) CreateMessageDialogEx
(00115B54) CreateMoreMessageDialogEx
(00115DA2) MoreMessageDialog
(001179D0) ExceptionMessageDialog
(000E0A89) ShowExtendedExceptionEx
(000269DC) TCustomScpExplorerForm::ShowExtendedException
(000CC5E5) TTerminalManager::TerminalShowExtendedException
(00D36698) TTerminal::ShowExtendedException
(004B2022) Vcl::Forms::TApplication::HandleException
(00DB202D) TLoginDialog::Dispatch
(003A356D) Vcl::Controls::TWinControl::WndProc
(004A77B4) Vcl::Forms::TCustomForm::WndProc
(00E0720C) Vclcommon::C4884_0
(00E073CE) Vclcommon::C4884_0
(0039DFF8) Vcl::Controls::TControl::Perform
(003A2819) Vcl::Controls::TWinControl::UpdateShowing
(003A292E) Vcl::Controls::TWinControl::UpdateControlState
(003A56F2) Vcl::Controls::TWinControl::CMVisibleChanged
(00DB2022) TLoginDialog::Dispatch
(003A356D) Vcl::Controls::TWinControl::WndProc
(004A77B4) Vcl::Forms::TCustomForm::WndProc
(00E07493) Vclcommon::C4884_0
(0039DFF8) Vcl::Controls::TControl::Perform
(0039CA26) Vcl::Controls::TControl::SetVisible
(00DB1260) TLoginDialog::Execute
(00121243) GetLoginData
(000CE441) TTerminalManager::NewSession
(0001D0FE) TCustomScpExplorerForm::NewSession
(0001D147) TCustomScpExplorerForm::NewTab
(0005B9AE) TScpCommanderForm::NewTab
(00025A27) TCustomScpExplorerForm::SessionTabSwitched
(00025AA4) TCustomScpExplorerForm::SessionsPageControlChange
(00402209) Vcl::Comctrls::TCustomTabControl::Change
(003A356D) Vcl::Controls::TWinControl::WndProc
(0039DFF8) Vcl::Controls::TControl::Perform
(003A36C7) Vcl::Controls::_17122
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(004A77B4) Vcl::Forms::TCustomForm::WndProc
(00E07493) Vclcommon::C4884_0
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(000387B1) USER32.dll
(000275A8) USER32.dll
(0002704B) USER32.dll
(000322F7) USER32.dll
(0007A584) ntdll.dll.KiUserCallbackDispatcher
(0003FDD3) USER32.dll
(00026D71) USER32.dll.SendMessageW
(0009BC96) COMCTL32.DLL
(000B8946) COMCTL32.DLL
(00056DFB) COMCTL32.DLL
(00052BB1) COMCTL32.DLL
(000551C5) COMCTL32.DLL
(000387B1) USER32.dll
(000275A8) USER32.dll
(00026D15) USER32.dll.CallWindowProcW
(003A3675) Vcl::Controls::TWinControl::DefaultHandler
(00BB2D62) TThemePageControl::Dispatch
(003A356D) Vcl::Controls::TWinControl::WndProc
(003A2A78) Vcl
The problem happens rarely. I cannot reproduce it.
<If relevant, consider attaching a session log file or a screenshot)>
WinSCP 6.5.6
Error message:
Invalid access to memory.
Stack trace:
(001371E6) System::FillChar
(000B367F) ntdll.dll
(0007A5AA) ntdll.dll.KiUserExceptionDispatcher
(005B536D) Vcl::Imaging::Pngimage::TChunkIHDR::Assign
(001379F2) System::TObject::Free
(000B367F) ntdll.dll
(0007A5AA) ntdll.dll.KiUserExceptionDispatcher
(003819B1) Vcl::Graphics::TPicture::SetGraphic
(003822C4) Vcl::Graphics::TPicture::Assign
(0009A5C3) LoadDialogImage
(00DBC2BF) TMessageForm::Create
(00DBE6D5) CreateMoreMessageDialog
(0011524B) CreateMessageDialogEx
(00115B54) CreateMoreMessageDialogEx
(00115DA2) MoreMessageDialog
(001179D0) ExceptionMessageDialog
(000E0A89) ShowExtendedExceptionEx
(000269DC) TCustomScpExplorerForm::ShowExtendedException
(000CC5E5) TTerminalManager::TerminalShowExtendedException
(00D36698) TTerminal::ShowExtendedException
(004B2022) Vcl::Forms::TApplication::HandleException
(00DB202D) TLoginDialog::Dispatch
(003A356D) Vcl::Controls::TWinControl::WndProc
(004A77B4) Vcl::Forms::TCustomForm::WndProc
(00E0720C) Vclcommon::C4884_0
(00E073CE) Vclcommon::C4884_0
(0039DFF8) Vcl::Controls::TControl::Perform
(003A2819) Vcl::Controls::TWinControl::UpdateShowing
(003A292E) Vcl::Controls::TWinControl::UpdateControlState
(003A56F2) Vcl::Controls::TWinControl::CMVisibleChanged
(00DB2022) TLoginDialog::Dispatch
(003A356D) Vcl::Controls::TWinControl::WndProc
(004A77B4) Vcl::Forms::TCustomForm::WndProc
(00E07493) Vclcommon::C4884_0
(0039DFF8) Vcl::Controls::TControl::Perform
(0039CA26) Vcl::Controls::TControl::SetVisible
(00DB1260) TLoginDialog::Execute
(00121243) GetLoginData
(000CE441) TTerminalManager::NewSession
(0001D0FE) TCustomScpExplorerForm::NewSession
(0001D147) TCustomScpExplorerForm::NewTab
(0005B9AE) TScpCommanderForm::NewTab
(00025A27) TCustomScpExplorerForm::SessionTabSwitched
(00025AA4) TCustomScpExplorerForm::SessionsPageControlChange
(00402209) Vcl::Comctrls::TCustomTabControl::Change
(003A356D) Vcl::Controls::TWinControl::WndProc
(0039DFF8) Vcl::Controls::TControl::Perform
(003A36C7) Vcl::Controls::_17122
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(004A77B4) Vcl::Forms::TCustomForm::WndProc
(00E07493) Vclcommon::C4884_0
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(000387B1) USER32.dll
(000275A8) USER32.dll
(0002704B) USER32.dll
(000322F7) USER32.dll
(0007A584) ntdll.dll.KiUserCallbackDispatcher
(0003FDD3) USER32.dll
(00026D71) USER32.dll.SendMessageW
(0009BC96) COMCTL32.DLL
(000B8946) COMCTL32.DLL
(00056DFB) COMCTL32.DLL
(00052BB1) COMCTL32.DLL
(000551C5) COMCTL32.DLL
(000387B1) USER32.dll
(000275A8) USER32.dll
(00026D15) USER32.dll.CallWindowProcW
(003A3675) Vcl::Controls::TWinControl::DefaultHandler
(00BB2D62) TThemePageControl::Dispatch
(003A356D) Vcl::Controls::TWinControl::WndProc
(003A2A78) Vcl
The problem happens rarely. I cannot reproduce it.