The error typically occurs because the installer is trying to uninstall or update a previous version of the .NET Host, but it cannot find the original MSI package in the local Windows cache. This often results in a loop where neither a new installation nor a clean uninstallation can proceed. 2. Verified Solutions Open Regedit as an administrator.

To ensure a fixed and working installation, do not download .msi files from third-party "DLL download" sites, as these often contain malware or outdated versions. Instead, use the official channels.

If the application installer still prompts you for the specific dotnethost8011winx64msi file even after running the installer, you can manually extract it from the official Microsoft executable.

Do not download individual .msi files from third-party DLL or driver hosting websites. These files can be modified with malware. The only safe way to resolve this issue is by downloading the official installer directly from Microsoft. Follow these step-by-step methods to resolve the error. Method 1: Download the Official .NET 8.0.11 Runtime

Open your terminal (Command Prompt, PowerShell, or Windows Terminal). Run the command: dotnet --info

Download the from Microsoft.

Last updated: 2025. For the latest .NET releases, visit https://dotnet.microsoft.com/en-us/download.

: Once you find the folder (key) associated with that specific version, right-click the folder in the left pane and select Delete .

Microsoft provides versions of the .NET Runtimes. You can download the .zip (Binaries) package directly from the Microsoft .NET 8 Downloads page.