<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 5.13.2

Error message:
Zugriffsverletzung - ungültiger Zugriff auf den Speicher.

Stack trace:
(006F57E8)
(006FB1D2)
(006794B2) @TUnixDirView@GetDisplayInfo$qqrp22Vcl@Comctrls@TListItemr10tagLVITEMW
(0041CB5A)
(0025639D)
(0025AEE1)
(0029EE0F)
(0025B047)
(0025AEE1)
(0025A528)
(0038022C)
(000152F7) USER32.dll
(00015D35) USER32.dll
(00015DE3) USER32.dll
(00015E41) USER32.dll
(0000F137) ntdll.dll.KiUserCallbackDispatcher
(000186C0) USER32.dll.SendMessageW
(0002B06D) COMCTL32.DLL
(000263D9) COMCTL32.DLL
(00082013) COMCTL32.DLL
(00027D84) COMCTL32.DLL
(00027E5B) COMCTL32.DLL
(000275F1) COMCTL32.DLL
(00026CA2) COMCTL32.DLL
(00026C26) COMCTL32.DLL
(00026B81) COMCTL32.DLL
(00026CBF) COMCTL32.DLL
(0002EE7B) COMCTL32.DLL
(000152F7) USER32.dll
(00015D35) USER32.dll
(0001FD3A) USER32.dll
(0001FD60) USER32.dll.CallWindowProcW
(0025AFF2)
(0025F35B)
(0025639D)
(0025AEE1)
(0029EE0F)
(0025B91B)
(002A0C25)
(0025AEE1)
(0029EE0F)
(0038022C)
(000152F7) USER32.dll
(00015D35) USER32.dll
(0001FD3A) USER32.dll
(0001FD60) USER32.dll.CallWindowProcW
(004430CF)
(0038022C)
(000152F7) USER32.dll
(00016311) USER32.dll.GetDC
(00015DE3) USER32.dll
(00015E41) USER32.dll
(0000F137) ntdll.dll.KiUserCallbackDispatcher
(00016885) USER32.dll.DispatchMessageW

(00132153)office.odf
(00132153)office.odf
(006794E2) @TUnixDirView@GetDisplayInfo$qqrp22Vc

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 was running for a long time (18 hours?) without any upload/download.

WinSCP 5.13.1

Error message:
Range check error

Stack trace:
(003BDB36)
(0006248E) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(006F37A3)
(006F91BA)
(0067751E) @TUnixDirView@GetDisplayInfo$qqrp22Vcl@Comctrls@TListItemr10tagLVITEMW
(0041ABEA)
(00254ED1)
(00259A15)
(0029D943)
(00259B7B)
(00259A15)
(0025905C)
(0037ED60)
(000152F7) USER32.dll
(00015D35) USER32.dll
(00015DE3) USER32.dll
(00015E41) USER32.dll
(0000F137) ntdll.dll.KiUserCallbackDispatcher
(000186C0) USER32.dll.SendMessageW
(0002B057) COMCTL32.DLL
(000263C7) COMCTL32.DLL
(00082083) COMCTL32.DLL
(00027D72) COMCTL32.DLL
(00027E49) COMCTL32.DLL
(000275DF) COMCTL32.DLL
(00026C90) COMCTL32.DLL
(00026C14) COMCTL32.DLL
(00026B6F) COMCTL32.DLL
(00026CAD) COMCTL32.DLL
(0002EE6B) COMCTL32.DLL
(000152F7) USER32.dll
(00015D35) USER32.dll
(0001FD3A) USER32.dll
(0001FD60) USER32.dll.CallWindowProcW
(00259B26)
(0025A566)
(0029F759)
(00259A15)
(0029D943)
(0037ED60)
(000152F7) USER32.dll
(00015D35) USER32.dll
(0001FD3A) USER32.dll
(0001FD60) USER32.dll.CallWindowProcW
(0044115F)
(0037ED60)
(000152F7) USER32.dll
(00015D35) USER32.dll
(00015DE3) USER32.dll
(00015E41) USER32.dll
(0000F137) ntdll.dll.KiUserCallbackDispatcher
(00016885) USER32.dll.DispatchMessageW

(003F13DE)
(0006248E) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(006F8CD1)
(0067756F) @TU

The problem happens rarely. I cannot reproduce it.