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.
<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
Error message:
Ошибка доступа к памяти.
Трассировка стека:
(0051F045) WinSCP.exe.[00520045]
[7794023E] ntdll.dll.ZwWow64CallFunction64
[779409BA] ntdll.dll.KiUserExceptionDispatcher
[015FED4A] TTerminal::CommandError
[015FEADD] TTerminal::CommandError
[01607D52] TTerminal::ChangeDirectory
[01503D53] TUnixDirView::ChangeDirectory
[01502216] TUnixDirView::ExecuteParentDirectory