Error code Oxe001f921

Ed, Have a look @ this AVG article (http://avgclick.me/InstallIsRunning).
AVG Guru

I purchased an AVG tune up package and when I attempt to download it I receive an error message indicating that another installation or update is in progress.  How do I locate and cancel the update so I can download the new protection plan?

Ed, Have a look @ this AVG article (http://avgclick.me/InstallIsRunning).
AVG Guru