: Open Command Prompt as Administrator and run the following command to repair the Windows image: Dism /Online /Cleanup-Image /RestoreHealth .
When the "Retry" button failed him for the tenth time, Elias turned to the Command Prompt (Admin)
If your PC is managed by WSUS:
Enable the feature via Optional Features (if related to .NET)
If you are seeing this error, use these standard Windows troubleshooting steps to resolve it for free: Windows 10 and 11: Unable to install Language Pack features