I am using XP I did a scan and I moved all problems to chest. I dont quite understand your instructions,
Start avast! > Right click the skin > Schedule a boot-time scanning.
Select for scanning archives.
Boot.
What does the boot mean? Do u mean do that and then restart computer or what? I see scan local disks, scan archive files, then click schedule? Does this reboot computer or what? I also ran spybot and it did some removal. I ran Avast and moved all to chest that it said.