Wpf: Wpf app is released as a single file and cannot be run.

[lifuhua123]

• .NET Core Version: ( .net 5 RC.1)
• Windows version: (windows 10)
• Does the bug reproduce also in WPF for .NET Framework 4.8?:No
• Is this bug related specifically to tooling in Visual Studio (e.g. XAML Designer, Code editing, etc...)?:No
• Security issues and bugs should be reported privately, learn more via our responsible disclosure guidelines.

Problem description:
I tried winform and wpf independent deployment scheme under .net 5 RC.1, winform can run successfully, but wpf cannot start.

Actual behavior: The program cannot be started
Expected behavior: The program runs normally

Minimal repro: Build a basic wpf program based on .net 5,select single file and ReadyToRun publish.

[ryalanms]

@lifuhua123: This doesn't work in RC1. Can you try RC2 or later? Thanks.

[lindexi]

Duplicate of #3516 ?

[ryalanms]

Thanks, @lindexi. WPF works with RC2+ for me locally, but I do hit the bug @ericstj identified. RC1 doesn't start.

[ducanhtk5]

I get an error in Event Viewer when I try to open a new window:

Faulting module name: KERNELBASE.dll, version: 10.0.19041.572, time stamp: 0x1183946c
Exception code: 0xc000041d
Fault offset: 0x0000000000023e49
Faulting process id: 0x68b8
Faulting application start time: 0x01d6a378582d3a65

[ryalanms]

Could you share the version of the .NET SDK that is installed? Thanks.