[Nyck]

GRISOFT is announcing a new version of the AVG Anti-Virus Free Edition. This new 7.5 version with improved performance and full compatibility with the latest Windows Vista version is available. Users that are using AVG Free 7.1 will be provided with a specific dialog, within the next few weeks, with the opportunity to choose the right option fulfilling their needs.
AVG Free 7.1 version will be discontinued on 15th of Jan 2007.
http://free.grisoft.com/doc/21/lng/us/tpl/v5

looks to be $29 for 2 years to keep 7.1

looks like you can go to 7.5 for free though so if you get the pop up saying so dont freak