Invalid access to memory

Cancel while searching host

WinSCP 5.14.1

Error message:
Invalid access to memory.

Stack trace:
(007EB4DD)
(008F982E)
(008FB896)
(008F8650)
(0007DAFF) ntdll.dll
(0006B711) ntdll.dll.KiUserExceptionDispatcher
(00026AD9)
(00005F96)
(00005FE6)
(000A3C9E)
(000A3DC4)
(000A4640)
(000A43CA)
(00018329)
(0001F600)
(0001F654)
(0026E2E1)
(002693D8)
(0026E447)
(0026E2E1)
(002287A8)

Status: unknown_rel_addr

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.

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.

Assertion failed: FFileSystem, file core\Terminal.cpp, line 2062


-----------------------
[10:00:58.558] [2148] [Terminal.cpp:952:TTerminal::TTerminal] 2 [4E73760]
[10:00:58.558] [2148] [SessionData.cpp:449:TSessionData::Assign] Entry: [04E73760] [14]
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Entry: [00000000] [15]
[10:00:58.558] [2148] [WinConfiguration.cpp:1775:TWinConfiguration::DecryptPassword] /
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Exit: [00000000] [15]
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Entry: [00000000] [15]
[10:00:58.558] [2148] [WinConfiguration.cpp:1775:TWinConfiguration::DecryptPassword] /
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Exit: [00000000] [15]
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Entry: [00000000] [15]
[10:00:58.558] [2148] [WinConfiguration.cpp:1775:TWinConfiguration::DecryptPassword] /
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Exit: [00000000] [15]
[10:00:58.558] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Entry: [00000000] [15]
[10:00:58.558] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Exit: [00000000] [15]
[10:00:58.558] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Entry: [00000000] [15]
[10:00:58.558] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Exit: [00000000] [15]
[10:00:58.558] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Entry: [00000000] [15]
[10:00:58.558] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Exit: [00000000] [15]
[10:00:58.558] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Entry: [00000000] [15]
[10:00:58.558] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Exit: [00000000] [15]
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Entry: [00000000] [15]
[10:00:58.558] [2148] [WinConfiguration.cpp:1775:TWinConfiguration::DecryptPassword] /
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Exit: [00000000] [15]
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Entry: [00000000] [15]
[10:00:58.558] [2148] [WinConfiguration.cpp:1775:TWinConfiguration::DecryptPassword] /
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Exit: [00000000] [15]
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Entry: [00000000] [15]
[10:00:58.558] [2148] [WinConfiguration.cpp:1775:TWinConfiguration::DecryptPassword] /
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Exit: [00000000] [15]
[10:00:58.558] [2148] [SessionData.cpp:449:TSessionData::Assign] Exit: [04E73760] [14]
[10:00:58.558] [2148] [SessionInfo.cpp:704:TSessionLog::TSessionLog] Entry: [04DEDAF0] [14]
[10:00:58.558] [2148] [SessionInfo.cpp:716:TSessionLog::TSessionLog] / [4DEDAF0]
[10:00:58.558] [2148] [SessionInfo.cpp:704:TSessionLog::TSessionLog] Exit: [04DEDAF0] [14]
[10:00:58.558] [2148] [SessionInfo.cpp:1405:TActionLog::TActionLog] Entry: [00000000] [14]
[10:00:58.558] [2148] [SessionInfo.cpp:1422:TActionLog::Init] Entry: [00000000] [15]
[10:00:58.558] [2148] [SessionInfo.cpp:1438:TActionLog::Init] /
[10:00:58.558] [2148] [SessionInfo.cpp:1422:TActionLog::Init] Exit: [00000000] [15]
[10:00:58.558] [2148] [SessionInfo.cpp:1405:TActionLog::TActionLog] Exit: [00000000] [14]
[10:00:58.558] [2148] [RemoteFiles.cpp:1528:TRemoteFileList::TRemoteFileList] Entry: [00000000] [14]
[10:00:58.558] [2148] [RemoteFiles.cpp:1530:TRemoteFileList::TRemoteFileList] / [4E353A8]
[10:00:58.558] [2148] [RemoteFiles.cpp:1528:TRemoteFileList::TRemoteFileList] Exit: [00000000] [14]
[10:00:58.558] [2148] [RemoteFiles.cpp:1630:TRemoteDirectory::TRemoteDirectory] Entry: [00000000] [14]
[10:00:58.558] [2148] [RemoteFiles.cpp:1643:TRemoteDirectory::TRemoteDirectory] / [4E353A8]
[10:00:58.558] [2148] [RemoteFiles.cpp:1630:TRemoteDirectory::TRemoteDirectory] Exit: [00000000] [14]
[10:00:58.558] [2148] [RemoteFiles.cpp:1756:TRemoteDirectoryCache::TRemoteDirectoryCache] Entry: [00000000] [14]
[10:00:58.558] [2148] [RemoteFiles.cpp:1761:TRemoteDirectoryCache::TRemoteDirectoryCache] / [4D3CEA8]
[10:00:58.558] [2148] [RemoteFiles.cpp:1756:TRemoteDirectoryCache::TRemoteDirectoryCache] Exit: [00000000] [14]
[10:00:58.558] [2148] [Terminal.cpp:948:TTerminal::TTerminal] Exit: [04C77D10] [13]
[10:00:58.558] [2148] [SessionData.cpp:84:TSessionData::TSessionData] Entry: [04E739D0] [13]
[10:00:58.558] [2148] [SessionData.cpp:85:TSessionData::TSessionData] 1 []
[10:00:58.558] [2148] [SessionData.cpp:121:TSessionData::Default] Entry: [04E739D0] [14]
[10:00:58.558] [2148] [SessionData.cpp:289:TSessionData::Default] /
[10:00:58.558] [2148] [SessionData.cpp:121:TSessionData::Default] Exit: [04E739D0] [14]
[10:00:58.558] [2148] [SessionData.cpp:88:TSessionData::TSessionData] /
[10:00:58.558] [2148] [SessionData.cpp:84:TSessionData::TSessionData] Exit: [04E739D0] [13]
[10:00:58.558] [2148] [SessionData.cpp:449:TSessionData::Assign] Entry: [04E739D0] [13]
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Entry: [00000000] [14]
[10:00:58.558] [2148] [WinConfiguration.cpp:1775:TWinConfiguration::DecryptPassword] /
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Exit: [00000000] [14]
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Entry: [00000000] [14]
[10:00:58.558] [2148] [WinConfiguration.cpp:1775:TWinConfiguration::DecryptPassword] /
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Exit: [00000000] [14]
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Entry: [00000000] [14]
[10:00:58.558] [2148] [WinConfiguration.cpp:1775:TWinConfiguration::DecryptPassword] /
[10:00:58.558] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Exit: [00000000] [14]
[10:00:58.558] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Entry: [00000000] [14]
[10:00:58.558] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Exit: [00000000] [14]
[10:00:58.558] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Entry: [00000000] [14]
[10:00:58.559] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Exit: [00000000] [14]
[10:00:58.559] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Entry: [00000000] [14]
[10:00:58.559] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Exit: [00000000] [14]
[10:00:58.559] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Entry: [00000000] [14]
[10:00:58.559] [2148] [SessionData.cpp:2576:TSessionData::SetAlgoList<AlgoT>] Exit: [00000000] [14]
[10:00:58.559] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Entry: [00000000] [14]
[10:00:58.559] [2148] [WinConfiguration.cpp:1775:TWinConfiguration::DecryptPassword] /
[10:00:58.559] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Exit: [00000000] [14]
[10:00:58.559] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Entry: [00000000] [14]
[10:00:58.559] [2148] [WinConfiguration.cpp:1775:TWinConfiguration::DecryptPassword] /
[10:00:58.559] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Exit: [00000000] [14]
[10:00:58.559] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Entry: [00000000] [14]
[10:00:58.559] [2148] [WinConfiguration.cpp:1775:TWinConfiguration::DecryptPassword] /
[10:00:58.559] [2148] [WinConfiguration.cpp:1745:TWinConfiguration::DecryptPassword] Exit: [00000000] [14]
[10:00:58.559] [2148] [SessionData.cpp:449:TSessionData::Assign] Exit: [04E739D0] [13]
[10:00:58.559] [2148] [TerminalManager.cpp:305:TTerminalManager::DoConnectTerminal] 5a2 [4C77D10]
[10:00:58.559] [2148] [CustomScpExplorer.cpp:615:TCustomScpExplorerForm::ReplaceTerminal] Entry: [00000000] [13]
[10:00:58.559] [2148] [CustomScpExplorer.cpp:594:TCustomScpExplorerForm::DoSetTerminal] Entry: [00000000] [14]
[10:00:58.559] [2148] [ScpCommander.cpp:506:TScpCommanderForm::TerminalChanged] Entry: [00000000] [15]
[10:00:58.559] [2148] [ScpCommander.cpp:507:TScpCommanderForm::TerminalChanged] 1
[10:00:58.559] [2148] [CustomScpExplorer.cpp:631:TCustomScpExplorerForm::TerminalChanged] Entry: [00000000] [16]
[10:00:58.559] [2148] [UnixDirView.cpp:521:TUnixDirView::DoSetTerminal] Entry: [00000000] [17]
[10:00:58.559] [2148] [UnixDirView.cpp:525:TUnixDirView::DoSetTerminal] 1 [0] [4C77D10]
[10:00:58.559] [2148] [UnixDirView.cpp:552:TUnixDirView::DoSetTerminal] 2
[10:00:58.559] [2148] [PAS:0:unk] TCustomDirView.PathChanging >
[10:00:58.559] [2148] [PAS:0:unk] TCustomDirView.PathChanging /
[10:00:58.559] [2148] [UnixDirView.cpp:557:TUnixDirView::DoSetTerminal] 3
[10:00:58.559] [2148] [UnixDriveView.cpp:87:TCustomUnixDriveView::SetTerminal] Entry: [00000000] [18]
[10:00:58.559] [2148] [UnixDriveView.cpp:110:TCustomUnixDriveView::SetTerminal] /
[10:00:58.559] [2148] [UnixDriveView.cpp:87:TCustomUnixDriveView::SetTerminal] Exit: [00000000] [18]
[10:00:58.559] [2148] [UnixDirView.cpp:562:TUnixDirView::DoSetTerminal] 4
[10:00:58.559] [2148] [UnixDirView.cpp:564:TUnixDirView::DoSetTerminal] 4a [4025ED0.1545178]
[10:00:58.559] [2148] [UnixDirView.cpp:567:TUnixDirView::DoSetTerminal] 4b [4025ED0.154539C]
[10:00:58.559] [2148] [PAS:0:unk] TCustomDirView.UpdatePathLabel >
[10:00:58.559] [2148] [UnixDirView.cpp:670:TUnixDirView::GetPathName] Entry: [00000000] [18]
[10:00:58.559] [2148] [UnixDirView.cpp:670:TUnixDirView::GetPathName] Exit: [00000000] [18]
[10:00:58.559] [2148] [ScpCommander.cpp:1860:TScpCommanderForm::RemotePathLabelGetStatus] Entry: [00000000] [18]
[10:00:58.559] [2148] [ScpCommander.cpp:1860:TScpCommanderForm::RemotePathLabelGetStatus] Exit: [00000000] [18]
[10:00:58.559] [2148] [PAS:0:unk] TCustomPathLabel.UpdateStatus 1 [RemotePathLabel] [0] [FF000003]
[10:00:58.559] [2148] [PAS:0:unk] TCustomDirView.UpdatePathLabel /
[10:00:58.559] [2148] [UnixDirView.cpp:579:TUnixDirView::DoSetTerminal] /
[10:00:58.559] [2148] [UnixDirView.cpp:521:TUnixDirView::DoSetTerminal] Exit: [00000000] [17]
[10:00:58.559] [2148] [CustomScpExplorer.cpp:1848:TCustomScpExplorerForm::DirViewHistoryChange] Entry: [00000000] [17]
[10:00:58.559] [2148] [CustomScpExplorer.cpp:1800:TCustomScpExplorerForm::UpdateHistoryMenu] Entry: [00000000] [18]
[10:00:58.559] [2148] [CustomScpExplorer.cpp:1800:TCustomScpExplorerForm::UpdateHistoryMenu] Exit: [00000000] [18]
[10:00:58.559] [2148] [CustomScpExplorer.cpp:1800:TCustomScpExplorerForm::UpdateHistoryMenu] Entry: [00000000] [18]
[10:00:58.559] [2148] [CustomScpExplorer.cpp:1800:TCustomScpExplorerForm::UpdateHistoryMenu] Exit: [00000000] [18]
[10:00:58.559] [2148] [CustomScpExplorer.cpp:1852:TCustomScpExplorerForm::DirViewHistoryChange] /
[10:00:58.559] [2148] [CustomScpExplorer.cpp:1848:TCustomScpExplorerForm::DirViewHistoryChange] Exit: [00000000] [17]
[10:00:58.559] [2148] [CustomScpExplorer.cpp:6879:TCustomScpExplorerForm::DoTerminalListChanged] Entry: [00000000] [17]
[10:00:58.560] [2148] [ThemePageControl.cpp:539:TThemePageControl::RequestAlign] Entry: [00000000] [18]
[10:00:58.560] [2148] [ThemePageControl.cpp:539:TThemePageControl::RequestAlign] Exit: [00000000] [18]
[10:00:58.560] [2148] [ThemePageControl.cpp:539:TThemePageControl::RequestAlign] Entry: [00000000] [18]
[10:00:58.560] [2148] [ThemePageControl.cpp:539:TThemePageControl::RequestAlign] Exit: [00000000] [18]
[10:00:58.560] [2148] [CustomScpExplorer.cpp:6943:TCustomScpExplorerForm::UpdateNewSessionTab] Entry: [00000000] [18]
[10:00:58.560] [2148] [CustomScpExplorer.cpp:6943:TCustomScpExplorerForm::UpdateNewSessionTab] Exit: [00000000] [18]
[10:00:58.560] [2148] [CustomScpExplorer.cpp:6879:TCustomScpExplorerForm::DoTerminalListChanged] Exit: [00000000] [17]
[10:00:58.560] [2148] [CustomScpExplorer.cpp:1011:TCustomScpExplorerForm::UpdateTransferList] Entry: [00000000] [17]
[10:00:58.560] [2148] [CustomScpExplorer.cpp:7017:TCustomScpExplorerForm::TransferListChange] Entry: [00000000] [18]
[10:00:58.560] [2148] [CustomScpExplorer.cpp:7017:TCustomScpExplorerForm::TransferListChange] Exit: [00000000] [18]
[10:00:58.560] [2148] [Terminal.cpp:2062:assert] FFileSystem
[10:00:58.568] [2148] [WinInterface.cpp:2074:TTrayIcon::WndProc] Entry: [00000000] [18]
[10:00:58.568] [2148] [WinInterface.cpp:2075:TTrayIcon::WndProc] > [31] [0]
[10:00:58.568] [2148] [WinInterface.cpp:2153:TTrayIcon::WndProc] /
[10:00:58.568] [2148] [WinInterface.cpp:2074:TTrayIcon::WndProc] Exit: [00000000] [18]
[10:00:58.568] [2148] [WinInterface.cpp:2074:TTrayIcon::WndProc] Entry: [00000000] [18]
[10:00:58.568] [2148] [WinInterface.cpp:2075:TTrayIcon::WndProc] > [10] [0]
[10:00:58.568] [2148] [WinInterface.cpp:2153:TTrayIcon::WndProc] /
[10:00:58.568] [2148] [WinInterface.cpp:2074:TTrayIcon::WndProc] Exit: [00000000] [18]
[10:00:58.611] [2148] [GUITools.cpp:1546:TFrameAnimation::Animate] Entry: [00000000] [18]
[10:00:58.611] [2148] [GUITools.cpp:1546:TFrameAnimation::Animate] Exit: [00000000] [18]
[10:00:58.720] [2148] [GUITools.cpp:1546:TFrameAnimation::Animate] Entry: [00000000] [18]
[10:00:58.720] [2148] [GUITools.cpp:1497:TFrameAnimation::PaintBoxPaint] Entry: [00000000] [19]
[10:00:58.720] [2148] [GUITools.cpp:1497:TFrameAnimation::PaintBoxPaint] Exit: [00000000] [19]
[10:00:58.720] [2148] [GUITools.cpp:1546:TFrameAnimation::Animate] Exit: [00000000] [18]
[10:00:58.809] [2148] [NonVisual.cpp:977:TNonVisualDataModule::SessionIdleTimerTimer] Entry: [00000000] [18]
[10:00:58.809] [2148] [CustomScpExplorer.cpp:4834:TCustomScpExplorerForm::Idle] > Busy[0] Enabled [1] Showing [1]
[10:00:58.809] [2148] [CustomScpExplorer.cpp:4838:TCustomScpExplorerForm::Idle] 1
[10:00:58.809] [2148] [EditorManager.cpp:258:TEditorManager::Check] Entry: [00000000] [19]
[10:00:58.809] [2148] [EditorManager.cpp:323:TEditorManager::Check] /
[10:00:58.809] [2148] [EditorManager.cpp:258:TEditorManager::Check] Exit: [00000000] [19]
[10:00:58.809] [2148] [CustomScpExplorer.cpp:4843:TCustomScpExplorerForm::Idle] 1a
[10:00:58.809] [2148] [TerminalManager.cpp:1596:TTerminalManager::Idle] Entry: [00000000] [19]
[10:00:58.809] [2148] [TerminalManager.cpp:1619:TTerminalManager::Idle] 1 [0]
[10:00:58.809] [2148] [TerminalManager.cpp:1623:TTerminalManager::Idle] 2
[10:00:58.809] [2148] [Terminal.cpp:1048:TTerminal::Idle] Entry: [00000000] [20]
[10:00:58.809] [2148] [Common.h:335:TValueRestorer<T>::TValueRestorer] [0]
[10:00:58.809] [2148] [Terminal.cpp:1064:TTerminal::Idle] 1 [410A070]
[10:00:58.809] [2148] [FtpFileSystem.cpp:845:TFTPFileSystem::Idle] Entry: [00000000] [21]
[10:00:58.809] [2148] [FtpFileSystem.cpp:2951:TFTPFileSystem::PoolForFatalNonCommandReply] Entry: [00000000] [22]
[10:00:58.809] [2148] [FtpFileSystem.cpp:2954:TFTPFileSystem::PoolForFatalNonCommandReply] 1 [410A070] FWaitingForReply [0]
[10:00:58.809] [2148] [FtpFileSystem.cpp:2958:TFTPFileSystem::PoolForFatalNonCommandReply] 2 [410A070] FWaitingForReply [1]
[10:00:58.809] [2148] [FtpFileSystem.cpp:2891:TFTPFileSystem::ProcessMessage] Entry: [00000000] [23]
[10:00:58.809] [2148] [FtpFileSystem.cpp:2898:TFTPFileSystem::ProcessMessage] 1
[10:00:58.809] [2148] [FtpFileSystem.cpp:2919:TFTPFileSystem::ProcessMessage] /
[10:00:58.809] [2148] [FtpFileSystem.cpp:2891:TFTPFileSystem::ProcessMessage] Exit: [00000000] [23]
[10:00:58.809] [2148] [FtpFileSystem.cpp:2976:TFTPFileSystem::PoolForFatalNonCommandReply] 3 [410A070] FWaitingForReply [0]
[10:00:58.809] [2148] [FtpFileSystem.cpp:2951:TFTPFileSystem::PoolForFatalNonCommandReply] Exit: [00000000] [22]
[10:00:58.809] [2148] [FtpFileSystem.cpp:845:TFTPFileSystem::Idle] Exit: [00000000] [21]
[10:00:58.809] [2148] [Terminal.cpp:1067:TTerminal::Idle] 2
-----------------------------

This bug has been added to the tracker:
https://winscp.net/tracker/1698