1. By Kurtis Worthington

2.  A computer virus is a software program that is designed to copy itself over and over again and attach itself to other program.

3.  Spyware is a software program, that installs on your computer, can monitor and collect personal information about your web surfing habits and the web pages that you visit.

4.  Recorder the files on the disk to make them contiguous

5.  System Restore  Applies to Windows 7  Ever wish you could turn back the clock after a bad crash? With Windows, you can.  Sometimes installing a program or driver can make Windows run slowly or unpredictably. System Restore can return your PC's system files and programs to a time when everything was working fine, potentially preventing hours of troubleshooting headaches. It won't affect your documents, pictures, or other data.