Application '/LM/W3SVC/10/ROOT' with physical root '**\publish\' failed to load coreclr. Exception message: CLR worker thread exited prematurely Cpu usage is still rising. Further technical details. ASP.NET Core 5.0; System：Windows Server2012/Windows10. Other options are opening the Windows Event Viewer and looking for any errors. Set the environment to development mode and enabling logging in the web.config then start the application. If you can remote into the web server, then try starting the application using the "dotnet myapp.dll" command line. 0 votes.
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Check for missing XML tags. Check your web . config file for missing XML tags as they can cause startup errors as well.All you have to do is replace this line
