To get rid of what?
I trust that this is Vista SP2 and totally up to date including Internet Explorer 9 (even if you never use it)?
McAfee protects you against spyware, malware etc.
Vista includes Windows Defender which is built-in anti-spyware but when you install McAfee it gets disabled. You can re-enable it via Control Panel > Security > Windows Defender.
There are also a whole bunch of hints and free tools listed in the last link in my signature below.
Toronto ▪ Canada
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