Thanks for your report.

Can you send me an email, so I can send you back a debug version of WinSCP to track the problem? Please include a link back to this topic in your email. Also note in this topic that you have sent the email. Thanks.

<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 5.17.10

Error message:
ディレクトリ '/home/maildepot/migrate/eml/2020-07-17' のリスト取得のエラー。

メモリのアクセス違反

スタック トレース:
(3E1F0F21)WinSCP.exe
(00F8A13A) C5296_0
(00F8C1A2) ____ExceptionHandler
(00F88F5C) __ExceptionHandler
(0008776F) ntdll.dll
(00073E91) ntdll.dll.KiUserExceptionDispatcher
(00BE4118) _ssh_conn_processed_data
(00BE4A24) _ssh_throttle_conn
(00D082C5) TSecureShell::FreeBackend
(00D52CF3) TSFTPFileSystem::Close
(00D079EE) TSecureShell::FatalError
(00D089EB) TSecureShell::WaitForData
(00D0386D) TSecureShell::Init
(00D031AD) TSecureShell::Open
(00D52CE7) TSFTPFileSystem::Open
(00D8D2C3) TTerminal::Reopen
(00D8F76D) TTerminal::QueryReopen
(00D85FF1) TRobustOperationLoop::TryReopen
(00DA86B7) TTerminal::SourceRobust
(00DA84E1) TTerminal::DoCopyToRemote
(00D76286) TSFTPFileSystem::CopyToRemote
(00DA7231) TTerminal::CopyToParallel
(00DA73A1) TTerminal::CopyParallel
(00DA7F04) TTerminal::CopyToRemote
(00CC1C45) TUploadQueueItem::DoTransferExecute
(00CC0866) TQueueItem::Execute
(00CBF89A) TTerminalItem::ProcessEvent
(00CBDC30) TSignalThread::Execute
(000BCFFF) Userinterface::C20_0
(0001EA27) KERNEL32.DLL.BaseThreadInitThunk
(00066A4C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066A19) ntdll.dll.RtlGetAppContainerNamedObjectPath

(00F8A7A5) C5296_0
(00F8BD7F) _ReThrowException
(00D0397F) TSecureShell::Init
(00D031AD) TSecureShell::Open
(00D52CE7) TSFTPFileSystem::Open
(00D8D2C3) TTerminal::Reopen
(00D8F76D) TTerminal::QueryReopen
(00D85FF1) TRobustOperationLoop::TryReopen
(00DA86B7) TTerminal::SourceRobust
(00DA84E1) TTerminal::DoCopyToRemote
(00D76286) TSFTPFileSystem::CopyToRemote
(00DA7231) TTerminal::CopyToParallel
(00DA73A1) TTerminal::CopyParallel
(00DA7F04) TTerminal::CopyToRemote
(00CC1C45) TUploadQueueItem::DoTransferExecute
(00CC0866) TQueueItem::Execute
(00CBF89A) TTerminalItem::ProcessEvent
(00CBDC30) TSignalThread::Execute
(000BCFFF) Userinterface::C20_0
(0001EA27) KERNEL32.DLL.BaseThreadInitThunk
(00066A4C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066A19) ntdll.dll.RtlGetAppContainerNamedObjectPath

(00F8A7A5) C5296_0
(00F8BD7F) _ReThrowException
(00D03A1A) TSecureShell::Init
(00D031AD) TSecureShell::Open
(00D52CE7) TSFTPFileSystem::Open
(00D8D2C3) TTerminal::Reopen
(00D8F76D) TTerminal::QueryReopen
(00D85FF1) TRobustOperationLoop::TryReopen
(00DA86B7) TTerminal::SourceRobust
(00DA84E1) TTerminal::DoCopyToRemote
(00D76286) TSFTPFileSystem::CopyToRemote
(00DA7231) TTerminal::CopyToParallel
(00DA73A1) TTerminal::CopyParallel
(00DA7F04) TTerminal::CopyToRemote
(00CC1C45) TUploadQueueItem::DoTransferExecute
(00CC0866) TQueueItem::Execute
(00CBF89A) TTerminalItem::ProcessEvent
(00CBDC30) TSignalThread::Execute
(000BCFFF) Userinter

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.