On Win11 App stuck once RDP client pop any messagebox #559
Labels
area-ct-rdp
Connection type: RDP
bug
Something isn't working
meta-help-wanted
Help from anybody is most welcome
meta-unknown-error
Bugs that we don't know how to fix
Milestone
Describe the bug
After extensive testing and cross-comparison, I ultimately discovered that on the Win11 system, whenever an RDP client displays any message box, it triggers an internal error, ultimately causing the program to freeze.
These message boxes include, but are not limited to, the connection information displayed by the info button(#437) and CredSSP error messages.
last night I have created a minimal test program and launched the remote desktop to the same server with the same settings on both WinForms and WPF on Win11 22H2. The WinForms program successfully displays the CredSSP
error dialog, while the WPF program encounters an internal error and crashes.
here is the CredSSP error messages:
Works Winform
Crasheson WPF
same WPF program works and pop the message box on Win10
Unfortunately, I couldn't locate the cause of the crash, so I'm unable to fix it.
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