Fixing MSI installation errors with the popular open-source network management tool, NETworkManager, typically happens because of an issue with how the Windows Installer handles upgrades or uninstalls of previous versions.
When upgrading, the application attempts to remove the older installation. If the cached registry keys or original files are corrupted, the Windows Installer throws an error and blocks the process.
Follow this structured guide to clear out the blocked installation and successfully apply the update. 1. Perform a Reinstallation Workaround
If you are encountering a corrupted uninstall routine during an upgrade, the maintainers and community track a known sequence to bypass the lock:
Download the stable build: Visit the NETworkManager GitHub Repository and specifically grab the direct installer file for the older version you currently have installed (e.g., version 2024.4.21.0).
Reinstall the old version: Run this setup file to overwrite and repair the corrupted installation path on your machine.
Run the update: Launch the new .msi file again. It should now successfully clean up the old files and upgrade without triggering the installer error. 2. Use Microsoft’s Official Uninstaller Tool
If the application refuses to uninstall via the Windows Control Panel, Microsoft provides a dedicated utility to fix registry blockages.
Go to the official Microsoft Support page and download the Program Install and Uninstall Troubleshooter. Run the tool and select Uninstalling. Find NETworkManager in the list of programs.
Let the wizard automatically strip the broken product codes and patch routines out of the Windows Registry. 3. Force a Command-Line Overwrite
If the system complains about a missing source package or incorrect path configurations, you can bypass the traditional UI and command Windows to repair the file state directly. how to manually remove MSI installation? – Stack Overflow
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