I had the same problem with McAfee- hogs resources, impossible to get rid of(had to do a reformat)and in general had lots of small annoying problems. I have been using Norton for almost a year, and swear by it. It defrags a drive in 1/2 the time of McAfee, and the Windows repair utility works well. Guess it just comes down to your system, and what kind of luck you have with a particular piece of software.