Long time user of Norton Anti-Virus Corporate Edition. Recently downloaded a 15 day trial of Norton Ant-virus at the site and installed. It has identified Zeroaccess!inf. Coincidence that the Corporate edition could not find it but as soon as I download the trial version I get infected or is the new Norton Anti-Virus more sophisticated and found it where the Corporate Edition could not? Anyway, Norton Eraser cannot remove so I need help getting rid of it. MalWare Bytes does not find it nor does Sybot S&D. I am also running Zone Alarm Firewall. Computer is Windows XP Home Edition, Dell Dimension 4600. I am an experienced computer user. Any experts available to help?