Self-Contained Single-File Win Form app does not run

[leecow]

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Issue moved from microsoft/dotnet#1285

• Please respond to @jwu-dharmo.

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From @jwu-dharmo on Monday, January 4, 2021 5:32:39 PM

I am on VS 2019 16.8.3 with .Net 5.0.

I have created a simple Win Form project without any NuGet or project dependency. I have made sure it runs out of the IDE.

When I published the project to a self-contained single file exe, it does not run. The Task explorer briefly showed the exe and switch it to suspended before killing it. The exe worked fine after I republished it either without the single-file or the self-contained option. It seems like both options cannot co-exist.

Any idea?

[RussKie]

@jwu-dharmo please have a look at #4397, this may have the same root cause.

[ghost]

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