Invalid access to memory - TCustomScpExplorerForm::UpdateTransferLabel

<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 6.0

Error message:
Invalid access to memory.

Stack trace:
(00CF5EB0)
(0008788F) ntdll.dll
(00073EC1) ntdll.dll.KiUserExceptionDispatcher
(0001A0D8) TCustomScpExplorerForm::UpdateTransferLabel
(0001A182) TCustomScpExplorerForm::UpdateTransferLabel
(00C6FC6E)
(0028B925) System::Generics::Collections::TList__1<void __closure
(0028AF6C) System::Generics::Collections::TArrayManager__1<void __closure
(003D30C8) Customdirview::TCustomDirView::
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00034552) USER32.dll
(000326F6) USER32.dll.CallWindowProcW
(004A9FD3) Webbrowserex::TWebBrowserServiceProvider::
(003D30C8) Customdirview::TCustomDirView::
(0003DEB9) USER32.dll
(00034E75) USER32.dll
(00032BE5) USER32.dll
(000329AB) USER32.dll.DispatchMessageW

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.
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