hi leneee & TheHulk,
It is important that the singularlabs link be used for
every prior version of a/v ever present on a system. McAfee, in particular, must have their removal tool run more than once (like three or four times) to ensure it is completely gone. Learned from experience here and from others about this one. One shot does not do it sometimes.
After each run, reboot!
You do have the option of having a malware expert look your system over to remove any old a/v remnant files left behind as well. If you are interested in pursuing that venue, then post back if you want. We do not care if you come in saying you are currently running Norton, help will still be rendered to you.
Of course, do all work whilst offline, to ensure safety.
If you feel up to it, and know what you are doing, you can use Microsoft's Autoruns utility to look for drivers starting on boot related to prior a/v's installed. Research the driver names using this site:
http://www.threatexpert.com/ Use the site search button to confirm your driver is indeed left over from an old a/v. Reports are available for clean as well as malicious files.
Google is also helpful here.
Autoruns here:
http://technet.microsoft.com/en-us/sysinternals/bb963902.aspx Don't do overmuch with this utility; if system is running ok then least minimum needed is best. Some drivers you must leave alone, as they are critical for the proper functioning of Windows.
