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
Error message:
Acceso a memoria no válido
Traza de la pila:
(007155D0) TSessionData::GetUsesSsh
(00064EA6) ntdll.dll.RtlRaiseStatus
(00064D32) ntdll.dll.KiUserExceptionDispatcher
(007C5716) TGenerateUrlDialog::Execute
(007BC943) DoGenerateTransferCodeDialog
(007A152E) TCopyDialog::GenerateCode
(007A15E6) TCopyDialog::CopyParamClick
(00449543) Tb2item::TTBCustomItem::Click
(0037264C) System::Classes::_18201
(0001ED6F) USER32.dll
(0001EE45) USER32.dll
(0001F188) USER32.dll
(0001F226) USER32.dll.DispatchMessageW
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.