To reinstall RDC on Windows 10:
If Remote Desktop files are corrupted but the operating system prevents you from removing the optional feature, you must use deployment tools to repair the core system files. This process effectively overwrites broken mstsc.exe and mstscax.dll files with fresh copies from the Windows component store. Step-by-Step Instructions:
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Complete Guide to Reinstalling Remote Desktop Connection (RDC) on Windows
If your issue lies on the host machine (the computer you are trying to connect to ), the Remote Desktop Service itself might be hung or corrupted. You can reinstall/restart this service via the Services console: Press , type services.msc , and press Enter .
If you are trying to on a specific computer, let me know the exact error code or operating system version you are running so I can provide customized troubleshooting steps.
Reinstalling the client software handles outgoing connections. If you want incoming connections to reach this machine as well, you must verify your system settings. Feature Checklist How to Verify / Fix Open Control Panel →right arrow System and Security →right arrow