Fix CLR20R3 error in Windows 11/10
The application service reported an error, Event name:CLR20r3 The error might look a bit complex but can be fixed with some simple solutions. These are the things you can do to fix the CLR20R3 error while launching the application: Let us talk about them in detail.
1] Run program in Compatibility Mode
Run the program in Compatibility Mode and see if it helps you.
2] Reset Windows Media Component
In the first solution, we need to reregister Windows Media Component. This will fix if your computer has broken or corrupted Windows Media Components. To do that, launch Command Prompt as an administrator by searching it out of the Start Menu. Now, type the following commands and hit Enter simultaneously. This will reset Windows Media Component and hopefully, it will fix the CLR20R3 error while launching an application.
3] Reinstall Windows Media Player
If resetting Windows Media Component didn’t fix the issue then we have to reinstall the Windows Media Player. To do that, follow the given steps:
4] Manage .NET Framework
The problem can be because of .NET Framework. So, we need to restart it and check if that fixes the problem. To do that, follow the given steps: You should also update your Operating System as it will automatically update .NET Framework (if there is an update available). To do that, launch Settings by Win + I and click Updates & Security > Check for Updates. If in doubt, you may also repair your .NET installation. Hopefully, something will fix the CLR20R3 error while launching an application.