I run XP, did the service oack 3 update and now I have the redball line on the Avast icon. I have uninstalled, reinstalled, repaired, restored Windows, uninstalled the service pack and a host of other suggested things, still no Avast. Will have to get different antivirus if this continues. BTW I did the uninstall through safe mode with the Avast uninstall file I d/l. Any other suggestions would be greatly appreciated.