Invalid access to memory - Tbxutils::DrawLineEx

<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 5.19.2

Error message:
Invalid access to memory.

Stack trace:
(64694743)WinSCP.exe
(00088F9F) ntdll.dll
(000741F1) ntdll.dll.KiUserExceptionDispatcher
(00004A5F) GDI32.dll.LineTo
(004F1DFB) Tbxutils::DrawLineEx
(004E6B98) Tbxofficexptheme::TTBXOfficeXPTheme::PaintSeparator
(004D90C5) Tbx::TTBXSeparatorItemViewer::Paint
(004C273F) Tb2item::TTBView::DrawItem

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.

@harnek.singh: 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.