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:
Acceso a memoria no válido

Stack trace:
[01019278]
[7778027E] ntdll.dll.ZwWow64CallFunction64
[777809FA] ntdll.dll.KiUserExceptionDispatcher
[00AEB8CD]
[00C50678]
[754A7919] USER32.DLL.CallNextHookEx
[754A7B75] USER32.DLL
[754A7CC8] USER32.DLL
[754A7E21] USER32.DLL
[777809D4] ntdll.dll.KiUserCallbackDispatcher
[754AE17E] USER32.DLL.SendMessageTimeoutW
[10001103] hooxpot.dll.CallWndProc
[754CBA39] USER32.DLL
[777809D4] ntdll.dll.KiUserCallbackDispatcher
[00A412D9]
[754A930C] USER32.DLL
[754CBA39] USER32.DLL
[777809D4] ntdll.dll.KiUserCallbackDispatcher
[00D253B3] @$xp$17Tb2hook@THookProc
[754A930C] USER32.DLL
[754CBA39] USER32.DLL
[777809D4] ntdll.dll.KiUserCallbackDispatcher
[01072822]
[00B2C755]
[00AE74F8]
[0109A02D] @@Synchronizeprogress@Finalize
[00B2784C]
[00B2BB45]
[00B2BC54]
[00B2E7FA]
[00B2C755]
[00AE74F8]
[0109A135] @@Synchronizeprogress@Finalize
[00B2784C]
[00B261DA]