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Invalid access to memory - Vcl::Controls::TControl::WndProc

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filipe.aa7@...
Guest

Invalid access to memory - Vcl::Controls::TControl::WndProc

<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:
/DCIM/Camera/20251112_002130.jpg

(00138C18) System::HandleAnyException
(000B418F) ntdll.dll
(0007AD8A) ntdll.dll.KiUserExceptionDispatcher
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(0041B07F) Vcl::Comctrls::TCustomListView::WndProc
(003A36C7) Vcl::Controls::_17122
(003A356D) Vcl::Controls::TWinControl::WndProc
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038731) USER32.dll
(000278B8) USER32.dll
(0002735B) USER32.dll
(00032667) USER32.dll
(0007AD64) ntdll.dll.KiUserCallbackDispatcher
(0003FDF3) USER32.dll
(00027081) USER32.dll.SendMessageW
(0009BD36) COMCTL32.DLL
(0009D29C) COMCTL32.DLL
(000D1D99) COMCTL32.DLL
(0009DE3D) COMCTL32.DLL
(00093143) COMCTL32.DLL
(000932B0) COMCTL32.DLL
(0009339C) COMCTL32.DLL
(00093417) COMCTL32.DLL
(00095AEE) COMCTL32.DLL
(00094872) COMCTL32.DLL
(00038731) USER32.dll
(000278B8) USER32.dll
(00027025) USER32.dll.CallWindowProcW
(003A3675) Vcl::Controls::TWinControl::DefaultHandler
(003A81FF) Vcl::Controls::TWinControl::WMPrintClient
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(0041B07F) Vcl::Comctrls::TCustomListView::WndProc
(003A3FCB) Vcl::Controls::TWinControl::WMPaint
(0041CF29) Vcl::Comctrls::TCustomListView::WMPaint
(003A356D) Vcl::Controls::TWinControl::WndProc
(0041B07F) Vcl::Comctrls::TCustomListView::WndProc
(00204C90) System::Classes::_18364
(00038731) USER32.dll
(000278B8) USER32.dll
(00027025) USER32.dll.CallWindowProcW
(00082C04) COMCTL32.DLL
(00082CA3) COMCTL32.DLL
(00082A1C) COMCTL32.DLL
(00038731) USER32.dll
(000278B8) USER32.dll
(00027025) USER32.dll.CallWindowProcW
(00539473) Dragdrop::TDragDrop::WndMethod
(00204C90) System::Classes::_18364
(00038731) USER32.dll
(000278B8) USER32.dll
(0002735B) USER32.dll
(00032667) USER32.dll
(0007AD64) ntdll.dll.KiUserCallbackDispatcher
(000263EB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

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mriberius@...
Guest

Invalid access to memory - Vcl::Controls::TControl::WndProc |

<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:
(00025818)
(0000D4BE)ntdll.dll
(0004EF1B)ntdll.dll
(000514B8)ntdll.dll
(0000D314)ntdll.dll
(00025AA4)
(00402209)
(003A356D)
(0039DFF8)
(003A36C7)
(0039E3C2)
(003A356D)
(004A77B4)
(00E07493)
(003A2A78)
(00204C90)
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(00053313) user32.dll
(0005199E)ntdll.dll
(0001118A)ntdll.dll
(00010BE6) win32u.dll.NtUserMessageCall
(0008522A) comctl32.dll
(00086519) comctl32.dll
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(0000F9BF) user32.dll.CallWindowProcW
(003A3675)
(003A356D)
(003A2A78)
(00204C90)
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(0000F9BF) user32.dll.CallWindowProcW
(00539473)
(00204C90)
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(00053313) user32.dll
(0005199E)ntdll.dll
(0001118A)ntdll.dll
(00010BE6) win32u.dll.NtUserMessageCall
(0016B30F)
(00401F18)
(001EE49F)
(00404117)
(00403682)
(000CE989)
(000CA28F)
(0005B7D8)
(004ABCD1)
(0002D83D)
(0002D5A0)
(0039E3C2)
(003A356D)
(004A77B4)
(00E0720C)
(00E073CE)
(0039DFF8)
(003A2819)
(003A292E)
(003A56F2)
(0039E3C2)
(003A356D)
(004A77B4)
(00E07493)
(0039DFF8)
(0039CA26)
(0012A249)
(000033BB)
(00EF5641)
(0000D434)ntdll.dll
(0004F0D8)ntdll.dll

The problem happens rarely. I cannot reproduce it.

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johndharper76@...
Guest

Invalid access to memory - Vcl::Controls::TControl::WndProc

Just opening WinSCP on Arch linux through Wine caused this error.

WinSCP 6.5.6

Error message:
Invalid access to memory.

Stack trace:
(00025818)
(0000D4BE)ntdll.dll
(0004EF1B)ntdll.dll
(000514B8)ntdll.dll
(0000D314)ntdll.dll
(00025AA4)
(00402209)
(003A356D)
(0039DFF8)
(003A36C7)
(0039E3C2)
(003A356D)
(004A77B4)
(00E07493)
(003A2A78)
(00204C90)
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(00053313) user32.dll
(0005199E)ntdll.dll
(0001118A)ntdll.dll
(00010BE6) win32u.dll.NtUserMessageCall
(0008522A) comctl32.dll
(00086519) comctl32.dll
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(0000F9BF) user32.dll.CallWindowProcW
(003A3675)
(003A356D)
(003A2A78)
(00204C90)
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(0000F9BF) user32.dll.CallWindowProcW
(00539473)
(00204C90)
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(00053313) user32.dll
(0005199E)ntdll.dll
(0001118A)ntdll.dll
(00010BE6) win32u.dll.NtUserMessageCall
(0016B30F)
(00401F18)
(001EE49F)
(00404117)
(00403682)
(000CE989)
(000CA28F)
(0005B7D8)
(004ABCD1)
(0002D83D)
(0002D5A0)
(0039E3C2)
(003A356D)
(004A77B4)
(00E0720C)
(00E073CE)
(0039DFF8)
(003A2819)
(003A292E)
(003A56F2)
(0039E3C2)
(003A356D)
(004A77B4)
(00E07493)
(0039DFF8)
(0039CA26)
(0012A249)
(000033BB)
(00EF5641)
(0000D434)ntdll.dll
(0004F0D8)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.

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jrichard909@...
Guest

Invalid access to memory - Vcl::Controls::TControl::WndProc

<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:
(00025818)
(0000D4BE)ntdll.dll
(0004EF1B)ntdll.dll
(000514B8)ntdll.dll
(0000D314)ntdll.dll
(00025AA4)
(00402209)
(003A356D)
(0039DFF8)
(003A36C7)
(0039E3C2)
(003A356D)
(004A77B4)
(00E07493)
(003A2A78)
(00204C90)
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(00053313) user32.dll
(0005199E)ntdll.dll
(0001118A)ntdll.dll
(00010BE6) win32u.dll.NtUserMessageCall
(0008522A) comctl32.dll
(00086519) comctl32.dll
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(0000F9BF) user32.dll.CallWindowProcW
(003A3675)
(003A356D)
(003A2A78)
(00204C90)
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(0000F9BF) user32.dll.CallWindowProcW
(00539473)
(00204C90)
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(00053313) user32.dll
(0005199E)ntdll.dll
(0001118A)ntdll.dll
(00010BE6) win32u.dll.NtUserMessageCall
(0016B30F)
(00401F18)
(001EE49F)
(00404117)
(00403682)
(000CE989)
(000CA28F)
(0005B7D8)
(004ABCD1)
(0002D83D)
(0002D5A0)
(0039E3C2)
(003A356D)
(004A77B4)
(00E0720C)
(00E073CE)
(0039DFF8)
(003A2819)
(003A292E)
(003A56F2)
(0039E3C2)
(003A356D)
(004A77B4)
(00E07493)
(0039DFF8)
(0039CA26)
(0012A249)
(000033BB)
(00EF5641)
(0000D434)ntdll.dll
(0004F0D8)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.

Description: wine --version
wine-11.16 Manjaro Unstable, Xfce, fully updated. Choosing OK allows WinSCP to function normally.Version 6.6.3 RC opens clean but cannot shutdown without issuing a "kill"

Screenshot_2026-09-03_19-16-15.png

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smycharles@...
Guest

Invalid access to memory - Vcl::Controls::TControl::WndProc

<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:
(00025818)
(0000D4FE)ntdll.dll
(0004EFDB)ntdll.dll
(00051578)ntdll.dll
(0000D354)ntdll.dll
(00025AA4)
(00402209)
(003A356D)
(0039DFF8)
(003A36C7)
(0039E3C2)
(003A356D)
(004A77B4)
(00E07493)
(003A2A78)
(00204C90)
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(00053313) user32.dll
(00051A5E)ntdll.dll
(000111CA)ntdll.dll
(00010BE6) win32u.dll.NtUserMessageCall
(0008522A) comctl32.dll
(00086519) comctl32.dll
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(0000F9BF) user32.dll.CallWindowProcW
(003A3675)
(003A356D)
(003A2A78)
(00204C90)
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(0000F9BF) user32.dll.CallWindowProcW
(00539473)
(00204C90)
(00009646) user32.dll.GetWindowLongA
(000616D2) user32.dll
(000677F5) user32.dll
(00053313) user32.dll
(00051A5E)ntdll.dll
(000111CA)ntdll.dll
(00010BE6) win32u.dll.NtUserMessageCall
(0016B30F)
(00401F18)
(001EE49F)
(00404117)
(00403682)
(000CE989)
(000CA28F)
(0005B7D8)
(004ABCD1)
(0002D83D)
(0002D5A0)
(0039E3C2)
(003A356D)
(004A77B4)
(00E0720C)
(00E073CE)
(0039DFF8)
(003A2819)
(003A292E)
(003A56F2)
(0039E3C2)
(003A356D)
(004A77B4)
(00E07493)
(0039DFF8)
(0039CA26)
(0012A249)
(000033BB)
(00EF5641)
(0000D474)ntdll.dll
(0004F198)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.

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martin◆
Site Admin
martin avatar

Re: Invalid access to memory - Vcl::Controls::TControl::WndProc

@smycharles: 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.

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