Windows uses many different file extensions to make windows xp. One of the most popular is .cab. Unfortulately this extension has been the easy target for programmers to put viruses on your computer. Most virus scanning systems use to over look this file extension because its a system file. Now mcaffee and others have made it safe by making specific tweeks to make viruses easier to detect.
. You can get mcaffee at www.mcaffee.com. Get protected.