I have the Avast4 professional version. I accidently uninstalled it. I hit the restore button on my computer for the previous day. Avast re-appeared but told me the version had expired. I’ve only had it less than a month. I have the license key if there is a way to get to that juncture.
Please don’t post multiple topic about the same problem, stick with your original topic, it just confuses issues and duplicates effort for those trying to help. http://forum.avast.com/index.php?topic=64267.0