Search (Ctrl+F) for dotnet-host-8.0.11-win-x64.msi or simply Net.Host .

How to Fix the "dotnet-host-8.0.11-win-x64.msi" Missing Error

: When the error popup appears again, click "Browse" and navigate to the folder where you just downloaded the .msi file. Selecting it should allow the installation to proceed. 2. Repair via the "Hosting Bundle"

Then install from local folder.

If you have landed on this page, you are likely staring at a cryptic error message in your Windows Event Viewer, Visual Studio output, or server deployment log. The string is not a standard filename you will find on Microsoft’s official download centre. Instead, it represents a specific failure signature related to the .NET Hosting Bundle installer (typically dotnet-hosting-8.0.11-win-x64.msi or a similar version pattern).

: This forces Windows to stop looking for the "ghost" installation file. Official Download

If the troubleshooter fails, you can manually remove the problematic reference: Open Regedit (Registry Editor) as an administrator.