Fix CLR20R3 error while launching an Application in Windows 10

CLR20R3 error is received when you are launching an application in Windows 10. It can happen because of two reasons, a corrupted application file or missing system components. Keep on reading in order to find solutions to fix this error.

1. Run the program in compatibility mode

   Locate problematic application executable file
   Right-click on executable
   Click on properties
   Go to the compatibility tab and try running the application in the previous version of Windows or as an administrator.

2. Reset Windows media component

   Right-click on Start, then left-click on command prompt (admin)
   In command prompt type next command and after each line of command press ENTER
   regsvr32 atl.dll
   cd C:\WINDOWS\eHome
   ehSched /unregServer
   ehSched /service
   ehRecvr /unregServer
   ehRecvr /service
   ehRec.exe /unregServer
   ehRec.exe /regserver
   ehmsas.exe /unregServer
   ehmsas.exe /regserver

3. Reinstall Windows media player

   Go to control panel
   Click on Program and Features > Turn Windows feature on or off.
   Expand Media Features, uncheck Windows Media Player, and click Ok.
   Restart your PC, go through the same steps, tick Windows Media Player, and restart your computer once again.

4. Reinstall .NET framework

   Go to control panel
   Click on Program and Features > Turn Windows feature on or off.
   Uncheck “.NET Framework 3.5” and “.NET Framework 4.8”, and click Ok.
   Restart your computer, go through the same steps, check “.NET Framework 3.5” and “.NET Framework 4.8”, and restart your computer once again.

5. Update Windows

   Go to settings and check for updates

Congratulations, you have just Fixed the CLR20R3 error while launching an Application in Windows 10 all by yourself. If you would like to read more helpful articles and tips about various software and hardware visit errortools.com daily.

Now that’s how you fix the CLR20R3 error while launching an Application in Windows 10 on a computer. On the other hand, if your computer is going through some system-related issues that have to get fixed, there is a one-click solution known as Restoro you could check out to resolve them.

This program is a useful tool that could repair corrupted registries and optimize your PC’s overall performance. Aside from that, it also cleans out your computer for any junk or corrupted files that help you eliminate any unwanted files from your system. This is basically a solution that’s within your grasp with just a click. It’s easy to use as it is user-friendly. For a complete set of instructions in downloading and using it, refer to the steps below

Perform a full system scan using Restoro. To do so, follow the instructions below.

1. Download and install Restoro from the official site.
2. Once the installation process is completed, run Restoro to perform a full system scan.
   
3. After the scan is completed click the “Start Repair” button.