If none of these reinstalls work, your Windows user profile may be corrupted. Create a new local user account and test RDC from there. If it works, migrate your data and delete the old profile.
By following this guide, you should be able to restore full Remote Desktop functionality on any Windows machine. If problems persist after a full reinstall, the issue is likely network-based (firewall, VPN, DNS) or related to user permissions—but that is a topic for another article. reinstall remote desktop connection
If you are on Windows 10 or Windows 11 Home (which does not support hosting RDP), you might not see the "Uninstall" option for the built-in client. How to Reinstall Remote Desktop Connection: The Ultimate
If you cannot reboot or need a faster fix, use PowerShell to deregister and re-register the Remote Desktop DLLs. This is often enough to fix corrupted ActiveX controls or registry hooks. Attempt repair: Once uninstalled, you can reinstall the
Once uninstalled, you can reinstall the app through official Microsoft channels: