無效的存取記憶體

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WinSCP 6.3.6

Error message:
無效的存取記憶體

Stack 追蹤:
(002A7367) System::DoneExcept
(00087F7F) ntdll.dll
(00074501) ntdll.dll.KiUserExceptionDispatcher
(00226F74) System::Classes::_18201
(000406A9) USER32.dll
(00036E15) USER32.dll
(0003574C) USER32.dll
(0003526B) USER32.dll.DispatchMessageW

(002A6F54) System::HandleAnyException
(00087F7F) ntdll.dll
(00074501) ntdll.dll.KiUserExceptionDispatcher
(00226F74) System::Classes::_18201
(000406A9) USER32.dll
(00036E15) USER32.dll
(0003574C) USER32.dll
(0003526B) USER32.dll.DispatchMessageW

Status: all_insignificant

The problem happens rarely. I cannot reproduce it.