Note: If you are looking for the client specifically, ensure "DirectPlay" (under Legacy Components) is checked, as it sometimes affects older RDC dependencies.
Uncheck the Remote Desktop-related boxes, click OK, and restart your computer . reinstall remote desktop connection
If the app opens but crashes or behaves incorrectly: Note: If you are looking for the client
Press Win + R , type services.msc , and ensure "Remote Desktop Services" is set to Running . Conclusion reinstall remote desktop connection
shutdown /r /t 0