Invalid access to memory

Woke up my PC from sleep with WinSCP running and 3 sites connected, accidentaly opened 1 new site (which was the same as 1 of those connected), tried to disconnect using Ctrl + Shift + D.

WinSCP 5.7.1

Error message:
Invalid access to memory.

Stack trace:
[0165FB3C]
[7731B60A] ntdll.dll
[772D012E] ntdll.dll.KiUserExceptionDispatcher
[01006165]
[01006208]
[0120824C]
[012082E4]
[012084C9]
[0120C7E5]
[0120BE2C]
[01330708]
[754062F7] USER32.dll
[75406D35] USER32.dll
[75410D22] USER32.dll
[75410D48] USER32.dll.CallWindowProcW
[013EF2DF]
[01330708]
[754062F7] USER32.dll
[75406D35] USER32.dll
[754077BF] USER32.dll
[75407885] USER32.dll.DispatchMessageW

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.