Find it under the “System Tools” group of the “Accessories” menu under your “Programs” menu. Select “Restore My Computer To An Earlier Time” and then choose a date that your computer worked properly. [1] X Research source
CNET in early 2014 recommended Kaspersky, BitDefender, and Panda Security, all of which still support Windows XP and have free and freemium versions.
Virus repair of Windows XP is difficult and fraught with increasingly diminishing returns the older the operating system gets. Consider an upgrade to your operating system if all else fails or if you’d like to have fewer problems in the future. [3] X Research source