BleepingComputer.com: Avast! Anti Virus Home Edition

I actually upgraded this program to Avast! professional in January. I was using Windows XP on a different computer at that time. When I inserted my registration key, not only did the program upgrade by download, it also posted a 90 day period. The scipt blocker is working but it won't allow me to use better interface or other options that come with the upgrade. Has anyone had a similar experience with this type of issue concerning Windows Vista? Is there a fix to my problem, as I again, have paid for the upgrade.