Invalid access to memory - System::UnicodeString::Length

Deleting a folder with multiple sites underneath triggers this error to be thrown
until killing the process. Clicking OK respawns the error message.

WinSCP 5.9.4

Error message:
Invalid access to memory.

Stack trace:
(0086A4CF) System::UnicodeString::Length
(00081D3F) ntdll.dll
(0006F8EA) ntdll.dll.KiUserExceptionDispatcher
(0086A8C1) System::UnicodeString::CompareIC

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.

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.

This bug has been added to the tracker:
https://winscp.net/tracker/1523

<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 5.13

Error message:
无效的内存访问。

Stack trace:
(008BDA53) System::UnicodeString::Length
(00088DBF) ntdll.dll
(0006FCB1) ntdll.dll.KiUserExceptionDispatcher
(008BDE45) System::UnicodeString::CompareIC

The problem happens rarely. I cannot reproduce it.

<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 5.15.1

Error message:
Invalid access to memory.

Stack trace:
(00929DEF) System::UnicodeString::Length
(0008402F) ntdll.dll
(00071931) ntdll.dll.KiUserExceptionDispatcher
(0092A1E1) System::UnicodeString::CompareIC

The problem happens rarely. I cannot reproduce it.

<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 5.15.5

Error message:
Invalid access to memory.

Stack trace:
(0092BCFB) System::UnicodeString::Length
(0007DA8F) ntdll.dll
(0006B6B1) ntdll.dll.KiUserExceptionDispatcher
(0092C0ED) System::UnicodeString::CompareIC

The problem happens rarely. I cannot reproduce it.

<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 5.15.5

Error message:
Invalid access to memory.

Stack trace:
(0092BCFB) System::UnicodeString::Length
(0007DA8F) ntdll.dll
(0006B6B1) ntdll.dll.KiUserExceptionDispatcher
(0092C0ED) System::UnicodeString::CompareIC

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.

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 5.15.5
Stack trace:
(0092BCFB) System::UnicodeString::Length
(0005A67A) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(0092C0ED) System::UnicodeString::CompareIC
Error message:
Invalid access to memory.

Stack trace:
(0092BCFB) System::UnicodeString::Length
(0005A67A) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(0092C0ED) System::UnicodeString::CompareIC

The problem happens rarely. I cannot reproduce it.

Can not
WinSCP 5.15.5

Error message:
Invalid access to memory.

Stack trace:
(0092BCFB) System::UnicodeString::Length
(0005A67A) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(0092C0ED) System::UnicodeString::CompareIC

The problem happens rarely. I cannot reproduce it.