Invalid%20access%20to%20memory.%0D%0A%0D%0AStack%20trace%3A%0D%0A%28007E421B%29%20System%3A%3AUnicodeString%3A%3ALength%0D%0A%28000624F6%29%20ntdll.dll%0D%0A%280000F13E%29%20ntdll.dll.KiUserExceptionDispatcher%0D%0A%28007E460D%29%20System%3A%3AUnicodeStri

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
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WinSCP 5.7.7

Error message:
Invalid%20access%20to%20memory.%0D%0A%0D%0AStack%20trace%3A%0D%0A%28007E421B%29%20System%3A%3AUnicodeString%3A%3ALength%0D%0A%28000624F6%29%20ntdll.dll%0D%0A%280000F13E%29%20ntdll.dll.KiUserExceptionDispatcher%0D%0A%28007E460D%29%20System%3A%3AUnicodeString%3A%3ACompareIC

Status: not_matched

The problem happens rarely. I cannot reproduce it.