External exception C0000029

<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:
External exception C0000029

Stack trace:
[77B205BE] ntdll.dll
[77AD71C6] ntdll.dll.RtlRaiseStatus
[77AD7052] ntdll.dll.KiUserExceptionDispatcher
[009F18F2]
[009F3ADE]
[009F0944]
[77AD71C6] ntdll.dll.RtlRaiseStatus
[77AD7052] ntdll.dll.KiUserExceptionDispatcher
[006A6870]
[005A4DB2]
[005A4D27]
[0090E41E]
[0090E212]
[00931D21]
[0021D39F]
[0021DFA8]
[0021E02F]
[0021E167]
[00242FCA]
[005927D0]
[0037A331]
[00550708]
[76A9C4E4] USER32.dll
[76A9C5E2] USER32.dll
[76A9CC14] USER32.dll
[76A9CC6B] 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.