Avast! Antivirus 4 Professional Submitted by Joseph Kulick on 2005-04-01 12:00:00 This product has a rating of 5 out of 5 running under Windows XP 64 Bit (x86_64) Comments: installs, and runs perfectly Printed from NT Compatible (http://www.ntcompatible.com/Avast_Antivirus_4_Professional_c12215.html)