How to disable or to uninstall third-party firewall, antispyware, or antivirus programs before you install Windows Live OneCare

When you use more than one firewall program, one antispyware program, or one antivirus program on a computer, the computer may become unstable, may experience performance decrease, or may restart unexpectedly. Therefore, before you install Windows Live OneCare on a computer, disable or uninstall other third-party security-related programs such as firewall, antispyware, or antivirus programs.

How to uninstall firewall, antispyware, or antivirus programs
1. In Windows XP, click Start, click Run, type appwiz.cpl in the Open box, and then press ENTER
In Windows Vista, click Start, type appwiz.cpl in the Start Search box, and then press ENTER. 2. In the list of installed programs, locate and then click the program in question, and then click Remove.
3. Restart the computer.Note After you uninstall a third-party antivirus program, contact the manufacturer of the program or visit the company's Web site to see whether a clean-up tool is available to help you remove any remaining files.