Invalid access to memory

This happened whilst using the option "synchronise" from a web server to a local folder. Nothing was clicked, it all seemed to be working fine until the issue occurred after 1 h.
This happened 3 times during 3 attempts today.

WinSCP 5.17.10

Error message:
Invalid access to memory.

Stack trace:
(0011ADB8) SHELL32.dll
(00F8A13A)
(00F8C1A2)
(00F88F5C)
(0008776F) ntdll.dll
(00073E91) ntdll.dll.KiUserExceptionDispatcher
(0011B040) SHELL32.dll
(0011AEF8) SHELL32.dll
(0011AE78) SHELL32.dll
(0016412D) windows.storage.dll
(000ED48A) windows.storage.dll
(00163FD1) windows.storage.dll
(0017F05C) windows.storage.dll
(0017EFD9) windows.storage.dll
(001321F6) windows.storage.dll
(0017F557) windows.storage.dll
(0015D227) windows.storage.dll
(0012760F) windows.storage.dll
(00111DBF) SHELL32.dll
(0015DD8B) SHELL32.dll
(00112C2F) SHELL32.dll.SHGetFileInfoW
(001129FE) SHELL32.dll.SHGetFileInfoW
(00112882) SHELL32.dll.SHGetFileInfoW
(00CC8D48)
(00CCC12A)
(00CCC17B)
(00DA20BD)
(00D955AE)
(00DA1896)
(00DA2FAE)
(00DA20BD)
(00D955AE)
(00DA1896)
(00DA2FAE)
(00DA20BD)
(00D955AE)
(00DA1896)
(00DA2FAE)
(00DA20BD)
(00D955AE)
(00DA1896)
(00DA2FAE)
(00DA20BD)
(00D955AE)
(00DA1896)
(00DA2FAE)
(00DA20BD)
(00D955AE)
(00DA1896)
(00D9FC0E)
(0001E00C)
(0004FF82)
(00047C88)
(003E939C)
(001C7F85)
(003A5978)
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00032BE5) USER32.dll
(000329AB) USER32.dll.DispatchMessageW

(0011ADB8) SHELL32.dll
(00F8A13A)
(00F8C1A2)
(00F88F5C)
(0008776F) ntdll.dll
(00073E91) ntdll.dll.KiUserExceptionDispatcher
(0011B040) SHELL32.dll
(0011AEF8) SHELL32.dll
(0011AE78) SHELL32.dll
(0016412D) windows.storage.dll
(000ED48A) windows.storage.dll
(00163FD1) windows.storage.dll
(0017F05C) windows.storage.dll
(0017EFD9) windows.storage.dll
(001321F6) windows.storage.dll
(0017F557) windows.storage.dll
(0015D227) windows.storage.dll
(0012760F) windows.storage.dll
(00111DBF) SHELL32.dll
(0015DD8B) SHELL32.dll
(00112C2F) SHELL32.dll.SHGetFileInfoW
(001129FE) SHELL32.dll.SHGetFileInfoW
(00112882) SHELL32.dll.SHGetFileInfoW
(00CC8D48)
(00CCC12A)
(00CCC17B)
(00DA20BD)
(00D955AE)
(00DA1896)
(00DA2FAE)
(00DA20BD)
(00D955AE)
(00DA1896)
(00DA2FAE)
(00DA20BD)
(00D955AE)
(00DA1896)
(00DA2FAE)
(00DA20BD)
(00D955AE)
(00DA1896)
(00DA2FAE)
(00DA20BD)
(00D955AE)
(00DA1896)
(00DA2FAE)
(00DA20BD)
(00D955AE)
(00DA1896)
(00D9FC0E)
(0001E00C)
(0004FF82)
(00047C88)
(003E939C)
(001C7F85)
(003A5978)
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00032BE5) USER32.dll
(000329AB) USER32.dll.DispatchMessageW

(0011ADB8) SHELL32.dll
(00F8A13A)
(00F8C1A2)
(00F88F5C)
(0008776F) ntdll.dll
(00073E91) ntdll.dll.KiUserExceptionDispatcher
(0011B040) SHELL32.dll
(0011AEF8) SHELL32.dll
(0011AE78) SHELL32.dll
(0016412D) windows.storage.dll
(000ED48

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.