Invalid access to memory - System::Syncobjs::TCriticalSection::Enter
<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 6.5.5
Error message:
Invalid access to memory.
Stack trace:
(002BBB8C) System::Syncobjs::TCriticalSection::Enter
(000B332F) ntdll.dll
(0007A56A) ntdll.dll.KiUserExceptionDispatcher
(00C46FF3) TTerminalQueue::GetIsEmpty
(0001D62C) TCustomScpExplorerForm::CanCloseQueue
(0001D6D6) TCustomScpExplorerForm::CanCloseQueue
(004AC588) Vcl::Forms::TCustomForm::CloseQuery
(0002D5AE) TCustomScpExplorerForm::Dispatch
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(004A77B4) Vcl::Forms::TCustomForm::WndProc
(00E0706B) Vclcommon::C4884_0
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038981) USER32.dll
(00026AC8) USER32.dll
(0002656B) USER32.dll
(00032DD7) USER32.dll
(0007A544) ntdll.dll.KiUserCallbackDispatcher
(00028008) USER32.dll
(0002BBA9) UXTHEME.DLL
(00027803) UXTHEME.DLL
(00026A33) UXTHEME.DLL
(00028137) USER32.dll
(00038981) USER32.dll
(00026AC8) USER32.dll
(00026235) USER32.dll.CallWindowProcW
(003A3675) Vcl::Controls::TWinControl::DefaultHandler
(004AB1FD) Vcl::Forms::TCustomForm::WMSysCommand
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(004A77B4) Vcl::Forms::TCustomForm::WndProc
(00E06F8B) Vclcommon::C4884_0
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038981) USER32.dll
(00026AC8) USER32.dll
(0002656B) USER32.dll
(00032DD7) USER32.dll
(0007A544) ntdll.dll.KiUserCallbackDispatcher
(00028008) USER32.dll
(0002BBA9) UXTHEME.DLL
(00027803) UXTHEME.DLL
(00026A33) UXTHEME.DLL
(00028137) USER32.dll
(00038981) USER32.dll
(00026AC8) USER32.dll
(00026235) USER32.dll.CallWindowProcW
(003A3675) Vcl::Controls::TWinControl::DefaultHandler
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(004A77B4) Vcl::Forms::TCustomForm::WndProc
(00E0706B) Vclcommon::C4884_0
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038981) USER32.dll
(00026AC8) USER32.dll
(00025F55) USER32.dll
(00025ABB) USER32.dll.DispatchMessageW
The problem happens rarely. I cannot reproduce it.
<If relevant, consider attaching a session log file or a screenshot)>
WinSCP 6.5.5
Error message:
Invalid access to memory.
Stack trace:
(002BBB8C) System::Syncobjs::TCriticalSection::Enter
(000B332F) ntdll.dll
(0007A56A) ntdll.dll.KiUserExceptionDispatcher
(00C46FF3) TTerminalQueue::GetIsEmpty
(0001D62C) TCustomScpExplorerForm::CanCloseQueue
(0001D6D6) TCustomScpExplorerForm::CanCloseQueue
(004AC588) Vcl::Forms::TCustomForm::CloseQuery
(0002D5AE) TCustomScpExplorerForm::Dispatch
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(004A77B4) Vcl::Forms::TCustomForm::WndProc
(00E0706B) Vclcommon::C4884_0
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038981) USER32.dll
(00026AC8) USER32.dll
(0002656B) USER32.dll
(00032DD7) USER32.dll
(0007A544) ntdll.dll.KiUserCallbackDispatcher
(00028008) USER32.dll
(0002BBA9) UXTHEME.DLL
(00027803) UXTHEME.DLL
(00026A33) UXTHEME.DLL
(00028137) USER32.dll
(00038981) USER32.dll
(00026AC8) USER32.dll
(00026235) USER32.dll.CallWindowProcW
(003A3675) Vcl::Controls::TWinControl::DefaultHandler
(004AB1FD) Vcl::Forms::TCustomForm::WMSysCommand
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(004A77B4) Vcl::Forms::TCustomForm::WndProc
(00E06F8B) Vclcommon::C4884_0
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038981) USER32.dll
(00026AC8) USER32.dll
(0002656B) USER32.dll
(00032DD7) USER32.dll
(0007A544) ntdll.dll.KiUserCallbackDispatcher
(00028008) USER32.dll
(0002BBA9) UXTHEME.DLL
(00027803) UXTHEME.DLL
(00026A33) UXTHEME.DLL
(00028137) USER32.dll
(00038981) USER32.dll
(00026AC8) USER32.dll
(00026235) USER32.dll.CallWindowProcW
(003A3675) Vcl::Controls::TWinControl::DefaultHandler
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(004A77B4) Vcl::Forms::TCustomForm::WndProc
(00E0706B) Vclcommon::C4884_0
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038981) USER32.dll
(00026AC8) USER32.dll
(00025F55) USER32.dll
(00025ABB) USER32.dll.DispatchMessageW
The problem happens rarely. I cannot reproduce it.