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.
<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 5.9.1
Error message:
Error transferring file 'C:\Users\gx7xi2q\Documents\COMPUTERS.csv'.
Invalid access to memory.
Stack trace:
#006050B7#
#00862736#
#0086479E#
#00861558#
#0008A61F# ntdll.dll
#00077E7A# ntdll.dll.KiUserExceptionDispatcher
#006072ED#
#006073B8#
#005FDB67#
#005FDBEF#
#005FEE93#
#005FF21D#
#00603378#
#006034CE#
#005FF70C#
#0078F509#
#0078EB20#
#0078E916#
#00783E3D#
#0000DDE5#
#0000EAE4#
#0000EB6B#
#0000ECF2#
#000371CB#
#003B4AAC#
#0019BCB1#
#00372990#
#000374F1# USER32.dll
#00015C3B# USER32.dll
#0001553C# USER32.dll
#000152FB# 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.