personally think you might be better off with this one.
http://www.download.com/Realtek-AC-97-WDM-Driver-Windows-98-Me-2000-XP-2003-/3000-2120-10238712.html
Is AVG free forever or do you have only a certain amount of free time before you start paying?
My Norton subs are up in 20 days so interested in changing