Invalid access to memory

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akash9958@...
Guest

Invalid access to memory

<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 5.6.3

Error message:
Invalid access to memory.

Stack trace:
[01878D93] TFTPFileSystem::HandleCapabilities
[019F6B82] C4727_3
[019F8BEA] ____ExceptionHandler
[019F5B64] __ExceptionHandler
[7798F08E] ntdll.dll
[7798EEF6] ntdll.dll.KiUserExceptionDispatcher
[01873A28] TFTPFileSystem::ProcessMessage
[01873A45] TFTPFileSystem::DiscardMessages
[0191F9EB] TTerminal::~TTerminal
[012953C5] TManagedTerminal::~TManagedTerminal
[012966D8] TTerminalManager::FreeTerminal
[01295D6F] TTerminalManager::FreeActiveTerminal
[01296482] TTerminalManager::ReconnectActiveTerminal
[012A35C2] ShowExtendedExceptionEx
[0123B580] TCustomScpExplorerForm::ShowExtendedException
[01297BB9] TTerminalManager::TerminalShowExtendedException
[01923800] TTerminal::ShowExtendedException
[0155F9BC] System::Classes::_18201
[77327831] USER32.DLL.CallNextHookEx
[77327A95] USER32.DLL
[77329889] USER32.DLL
[773298EC] USER32.DLL.DispatchMessageW

[019F71ED] C4727_3
[019F87C7] _ReThrowException
[012964A7] TTerminalManager::ReconnectActiveTerminal
[012A35C2] ShowExtendedExceptionEx
[0123B580] TCustomScpExplorerForm::ShowExtendedException
[01297BB9] TTerminalManager::TerminalShowExtendedException
[01923800] TTerminal::ShowExtendedException
[0155F9BC] System::Classes::_18201
[77327831] USER32.DLL.CallNextHookEx
[77327A95] USER32.DLL
[77329889] USER32.DLL
[773298EC] USER32.DLL.DispatchMessageW

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martin
Site Admin
martin avatar
Joined:
Posts:
33,694
Location:
Prague, Czechia

Re: Invalid access to memory

Thanks for your report.
I have sent you an email with a debug version of WinSCP to address you have used to register on this forum.

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polterghosty@...
Guest

Invalid access to memory

<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 5.7.1

Error message:
Invalid access to memory.

Stack trace:
[018FDFDF] TFTPFileSystem::HandleCapabilities
[01A81962] C4799_0
[01A839CA] ____ExceptionHandler
[01A80944] __ExceptionHandler
[777965C6] ntdll.dll.RtlRaiseStatus
[77796452] ntdll.dll.KiUserExceptionDispatcher
[018F8638] TFTPFileSystem::ProcessMessage
[018F8655] TFTPFileSystem::DiscardMessages
[019A950F] TTerminal::~TTerminal
[01315F16] TManagedTerminal::~TManagedTerminal
[0131725C] TTerminalManager::FreeTerminal
[013168BF] TTerminalManager::FreeActiveTerminal
[01316CE4] TTerminalManager::ConnectActiveTerminal
[013175BF] TTerminalManager::DoSetActiveTerminal
[01317312] TTerminalManager::SetActiveTerminal
[012A3462] wWinMain
[01A7FAB9] __wstartup
[777AB3F3] ntdll.dll
[777AB3C3] ntdll.dll

Have VMware player running and a VPN.

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martin
Site Admin
martin avatar

Re: Invalid access to memory

Thanks for your report.
I have sent you an email with a debug version of WinSCP to address you have used to register on this forum.

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cbrownwowyv@...
Guest

Invalid access to memory - TFTPFileSystem::HandleCapabilities

I was accessing the remote server with WinSCP and initiated the OpenVPN GUI at the same time.

WinSCP 5.9.2

Error message:
Invalid access to memory.

Stack trace:
(006ACE97) TFTPFileSystem::HandleCapabilities
(0008137F) ntdll.dll
(0006EF1A) ntdll.dll.KiUserExceptionDispatcher
(006A6D9C) TFTPFileSystem::ProcessMessage
(006A6DB9) TFTPFileSystem::DiscardMessages
(0076C22F) TTerminal::~TTerminal
(0008A4C6) TManagedTerminal::~TManagedTerminal
(0008B860) TTerminalManager::FreeTerminal
(0008AF2F) TTerminalManager::FreeActiveTerminal
(0008B2E8) TTerminalManager::ConnectActiveTerminal
(0008BB99) TTerminalManager::DoSetActiveTerminal
(0008B8F6) TTerminalManager::SetActiveTerminal
(0001B7FB) TCustomScpExplorerForm::NeedSession
(00022AF8) TCustomScpExplorerForm::CMShowingChanged
(00022A14) TCustomScpExplorerForm::Dispatch
(0024EC29) Vcl::Controls::TWinControl::WndProc
(002090D8) Vcl::Forms::TCustomForm::WndProc
(008093C5) Vclcommon::C2754_0
(00249D20) Vcl::Controls::TControl::Perform
(0024E019) Vcl::Controls::TWinControl::UpdateShowing
(0024E128) Vcl::Controls::TWinControl::UpdateControlState
(00250CCE) Vcl::Controls::TWinControl::CMVisibleChanged
(0024EC29) Vcl::Controls::TWinControl::WndProc
(002090D8) Vcl::Forms::TCustomForm::WndProc
(008094EC) Vclcommon::C2754_0
(00249D20) Vcl::Controls::TControl::Perform
(002486AE) Vcl::Controls::TControl::SetVisible
(000D764B) Execute
(000024A8) wWinMain
(0086187D) C4941_0
(0005F607) ntdll.dll
(0005F5CF) ntdll.dll

(006ACE97) TFTPFileSystem::HandleCapabilities
(00863846) C5073_3
(0

The problem happens rarely. I cannot reproduce it.

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danwolf80@...
Guest

Invalid access to memory - TFTPFileSystem::HandleCapabilities

<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 5.9.3

Error message:
Invalid access to memory.

Stack trace:
(006AED4F) TFTPFileSystem::HandleCapabilities
(00866422) C5073_3
(0086848A) ____ExceptionHandler
(00865244) __ExceptionHandler
(00081D3F) ntdll.dll
(0006F8EA) ntdll.dll.KiUserExceptionDispatcher
(006A8C54) TFTPFileSystem::ProcessMessage
(006A8C71) TFTPFileSystem::DiscardMessages
(0076E6F3) TTerminal::~TTerminal
(0008A65E) TManagedTerminal::~TManagedTerminal
(0008BAB4) TTerminalManager::FreeTerminal
(0008B183) TTerminalManager::FreeActiveTerminal
(0008B85E) TTerminalManager::ReconnectActiveTerminal
(00099A2B) ShowExtendedExceptionEx
(0001CD5C) TCustomScpExplorerForm::ShowExtendedException
(0008CEA1) TTerminalManager::TerminalShowExtendedException
(00772B78) TTerminal::ShowExtendedException
(0021306E) Vcl::Forms::TApplication::HandleException
(00373100) System::Classes::_18201
(0002C2B1) USER32.dll
(0000D885) USER32.dll
(0000D1DF) USER32.dll
(0000CF9B) USER32.dll.DispatchMessageW

(00866A8D) C5073_3
(00868067) _ReThrowException
(0008B883) TTerminalManager::ReconnectActiveTerminal
(00099A2B) ShowExtendedExceptionEx
(0001CD5C) TCustomScpExplorerForm::ShowExtendedException
(0008CEA1) TTerminalManager::TerminalShowExtendedException
(00772B78) TTerminal::ShowExtendedException
(0021306E) Vcl::Forms::TApplication::HandleException
(00373100) System::Classes::_18201
(0002C2B1) USER32.dll
(0000D885) USER32.dll
(0000D1DF) USER32.dll
(0000CF9B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

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rewpoke@...
Guest

Invalid access to memory - TFTPFileSystem::HandleCapabilities

<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 5.9.6

Error message:
Invalid access to memory.

Stack trace:
(006B0C03) TFTPFileSystem::HandleCapabilities
(000851CF) ntdll.dll
(00073161) ntdll.dll.KiUserExceptionDispatcher
(006AAB08) TFTPFileSystem::ProcessMessage
(006AAB25) TFTPFileSystem::DiscardMessages
(007705D3) TTerminal::~TTerminal
(0008AA26) TManagedTerminal::~TManagedTerminal
(0008BE7C) TTerminalManager::FreeTerminal
(0008B54B) TTerminalManager::FreeActiveTerminal
(0008B904) TTerminalManager::ConnectActiveTerminal
(0008C1B5) TTerminalManager::DoSetActiveTerminal
(0008BF12) TTerminalManager::SetActiveTerminal
(0001BA3B) TCustomScpExplorerForm::NeedSession
(00022E38) TCustomScpExplorerForm::CMShowingChanged
(00022CE7) TCustomScpExplorerForm::Dispatch
(0024F5A1) Vcl::Controls::TWinControl::WndProc
(00209A50) Vcl::Forms::TCustomForm::WndProc
(0080DD85) Vclcommon::C2758_0
(0024A698) Vcl::Controls::TControl::Perform
(0024E991) Vcl::Controls::TWinControl::UpdateShowing
(0024EAA0) Vcl::Controls::TWinControl::UpdateControlState
(00251646) Vcl::Controls::TWinControl::CMVisibleChanged
(0024F5A1) Vcl::Controls::TWinControl::WndProc
(00209A50) Vcl::Forms::TCustomForm::WndProc
(0080DEAC) Vclcommon::C2758_0
(0024A698) Vcl::Controls::TControl::Perform
(00249026) Vcl::Controls::TControl::SetVisible
(000D7FC3) Execute
(000024A8) wWinMain
(008669E1) __wstartup
(0006482B) ntdll.dll.RtlGetAppContainerNamedObjectPath
(000647F8) ntdll.dll.RtlGetAppContainerNamedObjectPath

(006B0C03) TFTPFil

The problem happens rarely. I cannot reproduce it.

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denisfi@...
Guest

Acesso inválido à memória - TFTPFileSystem::HandleCapabilities

<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 5.11.2

Error message:
Acesso inválido à memória

Rastreamento de pilha:
(006C8EE7) TFTPFileSystem::HandleCapabilities
(0089C9C2) C5067_3
(0089EA2A) ____ExceptionHandler
(0089B7E4) __ExceptionHandler
(0003EF0E) ntdll.dll.ZwWow64CallFunction64
(0003F68A) ntdll.dll.KiUserExceptionDispatcher
(006C2D1C) TFTPFileSystem::ProcessMessage
(006C2D39) TFTPFileSystem::DiscardMessages
(00794DAF) TTerminal::~TTerminal
(000924EA) TManagedTerminal::~TManagedTerminal
(00093A50) TTerminalManager::FreeTerminal
(000930BF) TTerminalManager::FreeActiveTerminal
(000934D8) TTerminalManager::ConnectActiveTerminal
(00093D5C) TTerminalManager::DoSetActiveTerminal
(00093AE6) TTerminalManager::SetActiveTerminal
(0001BF79) TCustomScpExplorerForm::NeedSession
(000233C8) TCustomScpExplorerForm::CMShowingChanged
(00023232) TCustomScpExplorerForm::Dispatch
(00257C85) Vcl::Controls::TWinControl::WndProc
(0021214C) Vcl::Forms::TCustomForm::WndProc
(0083BA40) Vclcommon::C2751_0

(006C8EE7) TFTPFileSystem::HandleCapabilities
(0003EF0E) ntdll.dll.ZwWow64CallFunction64
(0003F68A) ntdll.dll.KiUserExceptionDispatcher
(006C2D1C) TFTPFileSystem::ProcessMessage
(006C2D39) TFTPFileSystem::DiscardMessages
(00794DAF) TTerminal::~TTerminal
(000924EA) TManagedTerminal::~TManagedTerminal
(00093A50) TTerminalManager::FreeTerminal
(000930BF) TTerminalManager::FreeActiveTerminal
(000934D8) TTerminalManager::ConnectActiveTerminal
(00093D5C) TTerminalManager::DoSetActiveTerminal
(00093AE6) TTerminalManager::SetActiveTerminal

The problem happens rarely. I cannot reproduce it.

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dsmith@...
Guest

Invalid access to memory - TFTPFileSystem::HandleCapabilities

<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 5.11.2

Error message:
Invalid access to memory.

Stack trace:
(006C8EE7) TFTPFileSystem::HandleCapabilities
(0089C9C2) C5067_3
(0089EA2A) ____ExceptionHandler
(0089B7E4) __ExceptionHandler
(0005A60A) ntdll.dll
(0000F12E) ntdll.dll.KiUserExceptionDispatcher
(006C2D1C) TFTPFileSystem::ProcessMessage
(006C2D39) TFTPFileSystem::DiscardMessages
(00794DAF) TTerminal::~TTerminal
(000924EA) TManagedTerminal::~TManagedTerminal
(00093A50) TTerminalManager::FreeTerminal
(000930BF) TTerminalManager::FreeActiveTerminal
(000934D8) TTerminalManager::ConnectActiveTerminal
(00093D5C) TTerminalManager::DoSetActiveTerminal
(00093AE6) TTerminalManager::SetActiveTerminal
(0001BF79) TCustomScpExplorerForm::NeedSession
(000233C8) TCustomScpExplorerForm::CMShowingChanged
(00023232) TCustomScpExplorerForm::Dispatch
(00257C85) Vcl::Controls::TWinControl::WndProc
(0021214C) Vcl::Forms::TCustomForm::WndProc
(0083BA40) Vclcommon::C2751_0

(006C8EE7) TFTPFileSystem::HandleCapabilities
(0005A60A) ntdll.dll
(0000F12E) ntdll.dll.KiUserExceptionDispatcher
(006C2D1C) TFTPFileSystem::ProcessMessage
(006C2D39) TFTPFileSystem::DiscardMessages
(00794DAF) TTerminal::~TTerminal
(000924EA) TManagedTerminal::~TManagedTerminal
(00093A50) TTerminalManager::FreeTerminal
(000930BF) TTerminalManager::FreeActiveTerminal
(000934D8) TTerminalManager::ConnectActiveTerminal
(00093D5C) TTerminalManager::DoSetActiveTerminal
(00093AE6) TTerminalManager::SetActiveTerminal
(0001BF79) TCustomScpExplorerForm::NeedSession
(

The problem happens rarely. I cannot reproduce it.

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jerzyk.majchrzak@...
Guest

Naruszenie ochrony pamęci - TFTPFileSystem::HandleCapabilities

<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 5.13.3

Error message:
Naruszenie ochrony pamęci.

Stack trace:
(006D4043) TFTPFileSystem::HandleCapabilities
(008BCA5A) C5104_0
(008BEAC2) ____ExceptionHandler
(008BB87C) __ExceptionHandler
(00085B2F) ntdll.dll
(00073A61) ntdll.dll.KiUserExceptionDispatcher
(006CE2C8) TFTPFileSystem::ProcessMessage
(006CE2E5) TFTPFileSystem::DiscardMessages
(007B377F) TTerminal::~TTerminal
(0009485E) TManagedTerminal::~TManagedTerminal
(00095E78) TTerminalManager::FreeTerminal
(00095433) TTerminalManager::FreeActiveTerminal
(00095900) TTerminalManager::ConnectActiveTerminal
(00096184) TTerminalManager::DoSetActiveTerminal
(00095F0E) TTerminalManager::SetActiveTerminal
(0001C301) TCustomScpExplorerForm::NeedSession
(0001C2A6) TCustomScpExplorerForm::LastTerminalClosed
(00095F0E) TTerminalManager::SetActiveTerminal
(00095433) TTerminalManager::FreeActiveTerminal
(00095900) TTerminalManager::ConnectActiveTerminal
(00096184) TTerminalManager::DoSetActiveTerminal
(00095F0E) TTerminalManager::SetActiveTerminal
(0001C301) TCustomScpExplorerForm::NeedSession
(0001C2A6) TCustomScpExplorerForm::LastTerminalClosed
(00095F0E) TTerminalManager::SetActiveTerminal
(00095433) TTerminalManager::FreeActiveTerminal
(00095900) TTerminalManager::ConnectActiveTerminal
(00096184) TTerminalManager::DoSetActiveTerminal
(00095F0E) TTerminalManager::SetActiveTerminal
(0001C301) TCustomScpExplorerForm::NeedSession
(0001C2A6) TCustomScpExplorerForm::LastTerminalClosed
(00095F0E) TTerminalManager::SetActiveTerminal
(00095433) TTerminalManager::F

The problem happens rarely. I cannot reproduce it.

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sunflower09t3@...
Guest

Invalid access to memory - TFTPFileSystem::HandleCapabilities

<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 5.13.4

Error message:
Invalid access to memory.

Stack trace:
(006D514B) TFTPFileSystem::HandleCapabilities
(008BDC8E) C5104_3
(008BFCF6) ____ExceptionHandler
(008BCAB0) __ExceptionHandler
(0007DAFF) ntdll.dll
(0006B711) ntdll.dll.KiUserExceptionDispatcher
(006CF3D0) TFTPFileSystem::ProcessMessage
(006CF3ED) TFTPFileSystem::DiscardMessages
(007B4913) TTerminal::~TTerminal
(000950CA) TManagedTerminal::~TManagedTerminal
(000966C0) TTerminalManager::FreeTerminal
(00095C9F) TTerminalManager::FreeActiveTerminal
(00096148) TTerminalManager::ConnectActiveTerminal
(000969CC) TTerminalManager::DoSetActiveTerminal
(00096756) TTerminalManager::SetActiveTerminal
(00095C9F) TTerminalManager::FreeActiveTerminal
(00096148) TTerminalManager::ConnectActiveTerminal
(000969CC) TTerminalManager::DoSetActiveTerminal
(00096756) TTerminalManager::SetActiveTerminal
(0001C301) TCustomScpExplorerForm::NeedSession
(00023E60) TCustomScpExplorerForm::CMShowingChanged
(00023CCA) TCustomScpExplorerForm::Dispatch
(0025B9D5) Vcl::Controls::TWinControl::WndProc
(00215E9C) Vcl::Forms::TCustomForm::WndProc
(0085C048) Vclcommon::C2788_0

(006D514B) TFTPFileSystem::HandleCapabilities
(0007DAFF) ntdll.dll
(0006B711) ntdll.dll.KiUserExceptionDispatcher
(006CF3D0) TFTPFileSystem::ProcessMessage
(006CF3ED) TFTPFileSystem::DiscardMessages
(007B4913) TTerminal::~TTerminal
(000950CA) TManagedTerminal::~TManagedTerminal
(000966C0) TTerminalManager::FreeTerminal
(00095C9F) TTerminalManager::FreeActiveTerminal
(00096148) TTerminalManager::ConnectActiveTerminal
(000969CC) TTerminalManager::DoSetActiveTerminal
(00096756) TTerminalManager::SetActiveTerminal
(00095C9F) TTerminalManager::FreeActiveTerminal
(00096148) TTerminalManager::ConnectActiveTerminal
(000969CC) TTerminalManager::DoSetActiveTerminal
(00096756) TTerminalManager::SetActiveTerminal
(0001C301) TCustomScpExplorerForm::NeedSession
(00023E60) TCustomScpExplorerForm::CMShowingChanged
(00023CCA) TCustomScpExplorerForm::Dispatch
(0025B9D5) Vcl::Controls::TWinControl::WndProc
(00215E9C) Vcl::Forms::TCustomForm::WndProc
(0085C048) Vclcommon::C2788_0

(006D514B) TFTPFileSystem::HandleCapabilities
(008BDC8E) C5104_3
(008BFCF6) ____ExceptionHandler
(008BCAB0) __ExceptionHandler
(0007DAFF) ntdll.dll
(0006B711) ntdll.dll.KiUserExceptionDispatcher
(006CF3D0) TFTPFileSystem::ProcessMessage
(006CF3ED) TFTPFileSystem::DiscardMessages
(007B4913) TTerminal::~TTerminal
(000950CA) TManagedTerminal::~TManagedTerminal
(000966C0) TTerminalManager::FreeTerminal
(00095C9F) TTerminalManager::FreeActiveTerminal
(00096148) TTerminalManager::ConnectActiveTerminal
(000969CC) TTerminalManager::DoSetActiveTerminal
(00096756) TTerminalManager::SetActiveTerminal
(00095C9F) TTerminalManager::FreeActiveTerminal
(00096148) TTerminalManager::ConnectActiveTerminal
(000969CC) TTerminalManager::DoSetActiveTerminal
(00096756) TTerminalManager::SetActiveTerminal
(0001C301) TCustomScpExplorerForm::NeedSession
(00023E60) TCustomScpExplorerForm::CMShowingChanged
(00023CCA) TCustomScpExplorerForm::Dispatch
(0025B9D5) Vcl::Controls::TWinControl::WndProc
(00215E9C) Vcl::Forms::TCustomForm::WndProc
(0085C048) Vclcommon::C2788_0

The problem happens rarely. I cannot reproduce it.

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alexander.haug@...
Guest

Zugriffsverletzung - ungültiger Zugriff auf den Speicher - TFTPFileSystem::HandleCapabilities

I tried opening a connection to an SFTP server.

WinSCP 5.13.7

Error message:
Zugriffsverletzung - ungültiger Zugriff auf den Speicher.

Stack trace:
(006D62B7) TFTPFileSystem::HandleCapabilities
(008BF00E) C5105_0
(008C1076) ____ExceptionHandler
(008BDE30) __ExceptionHandler
(00087D6F) ntdll.dll
(00073211) ntdll.dll.KiUserExceptionDispatcher
(006D053C) TFTPFileSystem::ProcessMessage
(006D0559) TFTPFileSystem::DiscardMessages
(007B5A83) TTerminal::~TTerminal
(000952C6) TManagedTerminal::~TManagedTerminal
(000968D4) TTerminalManager::FreeTerminal
(00095E9B) TTerminalManager::FreeActiveTerminal
(0009635C) TTerminalManager::ConnectActiveTerminal
(00096BE0) TTerminalManager::DoSetActiveTerminal
(0009696A) TTerminalManager::SetActiveTerminal
(00095E9B) TTerminalManager::FreeActiveTerminal
(0009635C) TTerminalManager::ConnectActiveTerminal
(00096BE0) TTerminalManager::DoSetActiveTerminal
(0009696A) TTerminalManager::SetActiveTerminal
(00095E9B) TTerminalManager::FreeActiveTerminal
(0009635C) TTerminalManager::ConnectActiveTerminal
(00096BE0) TTerminalManager::DoSetActiveTerminal
(0009696A) TTerminalManager::SetActiveTerminal
(0001C3C9) TCustomScpExplorerForm::NeedSession
(00023F5C) TCustomScpExplorerForm::CMShowingChanged
(00023DC6) TCustomScpExplorerForm::Dispatch
(0025BD51) Vcl::Controls::TWinControl::WndProc
(00216218) Vcl::Forms::TCustomForm::WndProc
(0085D3DC) Vclcommon::C2790_0

(006D62B7) TFTPFileSystem::HandleCapabilities
(00087D6F) ntdll.dll
(00073211) ntdll.dll.KiUserExceptionDispatcher
(006D053C) TFTPFileSystem::ProcessMessage
(006D0559) TFTPFileSystem::DiscardMessages
(007B5A83) TTerminal::~TTerminal
(000952C6) TManagedTerminal::~TManagedTerminal
(000968D4) TTerminalManager::FreeTerminal
(00095E9B) TTerminalManager::FreeActiveTerminal
(0009635C) TTerminalManager::ConnectActiveTerminal
(00096BE0) TTerminalManager::DoSetActiveTerminal
(0009696A) TTerminalManager::SetActiveTerminal
(00095E9B) TTerminalManager::FreeActiveTerminal
(0009635C) TTerminalManager::ConnectActiveTerminal
(00096BE0) TTerminalManager::DoSetActiveTerminal
(0009696A) TTerminalManager::SetActiveTerminal
(00095E9B) TTerminalManager::FreeActiveTerminal
(0009635C) TTerminalManager::ConnectActiveTerminal
(00096BE0) TTerminalManager::DoSetActiveTerminal
(0009696A) TTerminalManager::SetActiveTerminal
(0001C3C9) TCustomScpExplorerForm::NeedSession
(00023F5C) TCustomScpExplorerForm::CMShowingChanged
(00023DC6) TCustomScpExplorerForm::Dispatch
(0025BD51) Vcl::Controls::TWinControl::WndProc
(00216218) Vcl::Forms::TCustomForm::WndProc
(0085D3DC) Vclcommon::C2790_0

(006D62B7) TFTPFileSystem::HandleCapabilities
(008BF00E) C5105_0
(008C1076) ____ExceptionHandler
(008BDE30) __ExceptionHandler
(00087D6F) ntdll.dll
(00073211) ntdll.dll.KiUserExceptionDispatcher
(006D053C) TFTPFileSystem::ProcessMessage
(006D0559) TFTPFileSystem::DiscardMessages
(007B5A83) TTerminal::~TTerminal
(000952C6) TManagedTerminal::~TManagedTerminal
(000968D4) TTerminalManager::FreeTerminal
(00095E9B) TTerminalManager::FreeActiveTerminal
(0009635C) TTerminalManager::ConnectActiveTerminal
(00096BE0) TTerminalManager::DoSetActiveTerminal
(0009696A) TTerminalManager::SetActiveTerminal
(00095E9B) TTerminalManager::FreeActiveTerminal
(0009635C) TTerminalManager::ConnectActiveTerminal
(00096BE0) TTerminalManager::DoSetActiveTerminal
(0009696A) TTerminalManager::SetActiveTerminal
(00095E9B) TTerminalManager::FreeActiveTerminal
(0009635C) TTerminalManager::ConnectActiveTerminal
(00096BE0) TTerminalManager::DoSetActiveTerminal
(0009696A) TTerminalManager::SetActiveTerminal
(0001C3C9) TCustomScpExplorerForm::NeedSession
(00023F5C) TCustomScpExplorerForm::CMShowingChanged
(00023DC6) TCustomScpExplorerForm::Dispatch
(0025BD51) Vcl::Controls::TWinControl::WndProc
(00216218) Vcl::Forms::TCustomForm::WndProc
(0085D3DC) Vclcommon::C2790_0

The problem happens rarely. I cannot reproduce it.

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yener.ibrahim@...
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Invalid access to memory - TFTPFileSystem::HandleCapabilities

<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 5.15.9

Error message:
Invalid access to memory.

Stack trace:
(007315AB) TFTPFileSystem::HandleCapabilities
(0092812A) C5157_3
(0092A192) ____ExceptionHandler
(00926F4C) __ExceptionHandler
(0005A466) ntdll.dll
(0000F12E) ntdll.dll.KiUserExceptionDispatcher
(0072B804) TFTPFileSystem::ProcessMessage
(0072B821) TFTPFileSystem::DiscardMessages
(00812947) TTerminal::~TTerminal
(000AA3FE) TManagedTerminal::~TManagedTerminal
(000ABAA5) TTerminalManager::FreeTerminal
(000AAF7F) TTerminalManager::FreeActiveTerminal
(000AB538) TTerminalManager::ConnectActiveTerminal
(000ABDB4) TTerminalManager::DoSetActiveTerminal
(000ABB3E) TTerminalManager::SetActiveTerminal
(0001FC81) TCustomScpExplorerForm::NeedSession
(000274E8) TCustomScpExplorerForm::CMShowingChanged
(0002731E) TCustomScpExplorerForm::Dispatch
(00279219) Vcl::Controls::TWinControl::WndProc
(002336E0) Vcl::Forms::TCustomForm::WndProc
(008C6190) Vclcommon::C2842_0

(007315AB) TFTPFileSystem::HandleCapabilities
(0005A466) ntdll.dll
(0000F12E) ntdll.dll.KiUserExceptionDispatcher
(0072B804) TFTPFileSystem::ProcessMessage
(0072B821) TFTPFileSystem::DiscardMessages
(00812947) TTerminal::~TTerminal
(000AA3FE) TManagedTerminal::~TManagedTerminal
(000ABAA5) TTerminalManager::FreeTerminal
(000AAF7F) TTerminalManager::FreeActiveTerminal
(000AB538) TTerminalManager::ConnectActiveTerminal
(000ABDB4) TTerminalManager::DoSetActiveTerminal
(000ABB3E) TTerminalManager::SetActiveTerminal
(0001FC81) TCustomScpExplorerForm::NeedSession
(

The problem happens rarely. I cannot reproduce it.

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