Invalid access to memory

Problem occurs while copying larger files (~200MByte) to EC2 instance over scp (tunnelled through a bastian host, using proxy command)

WinSCP 5.13.7

Error message:
Invalid access to memory.

Stack trace:
(0063D02C)
(008BF00E)
(008C1076)
(008BDE30)
(0006248E) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(0064BF8C)
(0064BFE6)
(0064C4D6)
(00651487)
(006446A2)
(00644855)
(00644B70)
(00670FC1)
(00670E8E)
(0073AAC3)
(0073B009)
(007B6283)
(00099AB0)
(00017687)
(0003EF0B)
(0003EEC8)
(0038109C)
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

(008BF679)
(008C0C53)
(00099AF5)
(00017687)
(0003EF0B)
(0003EEC8)
(0038109C)
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) 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.