First time appearing. Just after SCP is presenting correctly the home directory of the user logged in a RaspberryPi machine.
After pressing "accept" in the window showing the error, it dissapeared and everythimg went well.
Thanks for grate software..!!

WinSCP 6.5.1

Error message:
Acceso a memoria no válido

Rastreo de la pila:
(00138EEF) System::DoneExcept
(0008818F) ntdll.dll
(00074711) ntdll.dll.KiUserExceptionDispatcher
(00204B54) System::Classes::_18364
(00040579) USER32.dll
(00036C55) USER32.dll
(000354FB) USER32.dll
(0003502B) USER32.dll.DispatchMessageW

(00138ADC) System::HandleAnyException
(0008818F) ntdll.dll
(00074711) ntdll.dll.KiUserExceptionDispatcher
(00204B54) System::Classes::_18364
(00040579) USER32.dll
(00036C55) USER32.dll
(000354FB) USER32.dll
(0003502B) USER32.dll.DispatchMessageW

Status: all_insignificant

The problem happens rarely. I cannot reproduce it.