I want to update my Ad Ware to 2008, I now have Ad Ware 2007. When I try to remove the 2007 I keep getting and error message 1720. How can I by pass this or fix it so I can uninstall the older version.

Hello silverlady66,

This is a known bug in the Ad-Aware 2007 version that appeared recently. Please follow the steps in this guide:
http://www.lavasoftsupport.com/index.php?showtopic=22364

And let us know if that resolves the problem?