メモリのアクセス違反 - TLoginDialog::GetSessionImageIndex

<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:
メモリのアクセス違反

スタック トレース:
(00E2D240) TLoginDialog::GetSessionImageIndex
(0008788F) ntdll.dll
(00073EC1) ntdll.dll.KiUserExceptionDispatcher
(00E319DC) TLoginDialog::FormCloseQuery
(0023F1B3) Vcl::Forms::TCustomForm::ShowModal
(00E2FFCC) TLoginDialog::Execute
(00100D4B) GetLoginData
(000B3C05) TTerminalManager::NewSession
(00020E6E) TCustomScpExplorerForm::NeedSession
(00028A56) TCustomScpExplorerForm::CMShowingChanged
(0002886F) TCustomScpExplorerForm::Dispatch
(00280255) Vcl::Controls::TWinControl::WndProc
(0023A71C) Vcl::Forms::TCustomForm::WndProc
(00E75B44) Vclcommon::C2990_0

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.

@eisuke.matsuzaki: 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.