Cannot focus a disabled or invisible window

i was trying to close application pressing alt-f4.



WinSCP 5.17

Error message:
Cannot focus a disabled or invisible window

Stack trace:
(0023860D)
(00019DA7)
(002381A1)
(003A4568)
(00015307) USER32.dll
(00015D45) USER32.dll
(00015DF3) USER32.dll
(00015E51) USER32.dll
(0000F107) ntdll.dll.KiUserCallbackDispatcher
(00015A9A) USER32.dll
(00015AF7) USER32.dll
(0023C2A5)
(0023C511)
(003A4568)
(00015307) USER32.dll
(00015D45) USER32.dll
(000167D2) USER32.dll
(00016895) USER32.dll.DispatchMessageW

Status: unknown_rel_addr

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

Is there a solution to this error?