This error usually indicates a mismatch between the version of .NET your software requires (like or Horizon Client ) and what is currently cached on your system. Ensuring you have the latest security patch (currently 8.0.11 or newer) installed from an official Microsoft source is the best way to maintain system stability. dotnet-host-8.0.11-win-x64.msi. error box - Microsoft Learn

Look for the under the "Windows" column and download it.

Delete that specific registry key (back it up first!) and restart. Why is this happening?

If you are comfortable with technical steps and the above methods fail, you can manually remove the broken reference: Open (Win + R, type regedit ).

: Navigate to the official Microsoft .NET 8.0 Download Page and download the .NET Runtime 8.0.11 (specifically the Windows x64 version).

Running this often repairs the shared host components that trigger the .msi missing error. 3. Use the Microsoft Install/Uninstall Troubleshooter

Use the Microsoft Program Install and Uninstall troubleshooter (formerly known as "Fix It").