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 5.7.1
Error message:
Ошибка доступа к памяти.
Трассировка стека:
(0000F031) .[00320031]
[773EB466] ntdll.dll
[773A012E] ntdll.dll.KiUserExceptionDispatcher
[01AEFDFE] TTerminal::CommandError
[01AEFB91] TTerminal::CommandError
[01AF8CCA] TTerminal::ChangeDirectory
[019F474F] TUnixDirView::ChangeDirectory
[019F2C12] TUnixDirView::ExecuteParentDirectory