Has Avast Home been tested on XP Home,with AMD 64, and with SP2?
I'm thinking of doing it but just checking.
I did upgrade a different PC already with XP Pro with SP2, and it works fine. What I find interesting about the upgrade is that it was a 266 mb download, but it added only 37 mb to XP Pro. It does want to make a backup for you if you want, so I had it do it to a different partition. The backup is 346 mb.
Laser