I decided to install everything else Garmin related (in my case: Communicator Plugin, Communicator Plugin (圆4), Garmin USB drivers) and then tried to install Garmin Express via its installer, which finally worked. Garmin Vivoactive 3 Music Specifications and Features The Vicoactive 3 music is a fine-looking smartwatch with a stylish and elegant design MonaE over 3 years ago Hands-On Tech: Garmin vívoactive 3 Music Review from All TWiT FREE Delivery Across Cambodia 2 out of 5 stars 404 CDN 10 2 out of 5 stars 404 CDN 10. After the automatic reboot (note: no warning! Save your documents before running that program) Garmin Express was still shown under "Programs & Features". Method 2: If the issue persists, I suggest you refer and follow the suggestions from Removing Garmin Software and Garmin Registry Keys in. Running the MS program, I still couldn't find all programs mentioned in the Garmin instructions and thus decided to go for Garmin Express itself. Meanwhile, you may want to follow the troubleshooting steps mentioned below: Method 1: I suggest you refer and follow the suggestions from msi File Not Found when Updating a Garmin Software Application. Follow the instructions below to ensure that the computer is completely restarted. They pointed to these MS instructions and tool: /./behebt-probleme-die-eine-installation-oder-deinstallation-von-programmen-blockieren-cca7d1b6-65a9-3d98-426b-e9f927e1eb4d NOTE: Shutting down, pressing the power button, or closing the lid on a notebook computer may not effectively restart the computer on some operating systems. I then found these (German) instructions: /./ Thanks for trying to help! However, this didn't work for me, since I did not find the services mentioned above (which might be because I'm on a German Windows, but I also haven't seen anything comparable - I'm an IT guy, so I'm able to do educated guesses :-) ).