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:
无效的内存访问。

Stack trace:
[002000D8] __tpdsc__ Vcl::Forms::TScreen
[778FB466] ntdll.dll
[778B012E] ntdll.dll.KiUserExceptionDispatcher
[0073ED4A] TTerminal::CommandError
[0073EADD] TTerminal::CommandError
[00747D52] TTerminal::ChangeDirectory
[00643D53] TUnixDirView::ChangeDirectory
[006421B2] TUnixDirView::ExecuteFile
[0024C755] Vcl::Controls::TWinControl::WndProc
[00290683] Vcl::Comctrls::TCustomListView::WndProc
[00370678] System::Classes::_18201
[769E62F7] USER32.dll
[769E6D35] USER32.dll
[769F0D22] USER32.dll
[769F0D48] USER32.dll.CallWindowProcW
[0042F24F] Dragdrop::TDragDrop::WndMethod
[00370678] System::Classes::_18201
[769E62F7] USER32.dll
[769E6D35] USER32.dll
[769E77BF] USER32.dll
[769E7885] USER32.dll.DispatchMessageW