Article ID: 944180
Existing subscribers will continue to be supported throughout the term of their subscriptions. Existing subscribers can reinstall by following the steps to download a trial
(http://windows.microsoft.com/en-us/windows/security-essentials-onecare), and can still add a PC to their existing OneCare circle
Learn more about end of sale for OneCare
On September 29th 2009, Microsoft introduced Microsoft Security Essentials, a FREE consumer anti-malware solution for Genuine Windows based PCs.
Learn more about Microsoft Security Essentials or download from Microsoft directly at: http://www.microsoft.com/security_essentials/default.aspx
This article describes how to disable or 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 disable firewall, antispyware, or antivirus programsTo disable a firewall, antispyware, or antivirus program, right-click the appropriate icon for the firewall, antispyware, or antivirus program in the notification area on the taskbar. Then, click Exit or click Disable.
Note For more information about how to disable a firewall, antispyware, or antivirus program, see the program documentation.
How to uninstall firewall, antispyware, or antivirus programs
Article ID: 944180 - Last Review: April 11, 2013 - Revision: 3.0
Retired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.