Microsoft has now discontinued support for Windows XP Service Pack 2 and Windows Vista with Service Pack 1. Extended support for Windows XP ends on 8 April 2014. Microsoft says the affected users should upgrade to the Microsoft Windows 7
Ready to Download: Microsoft Security Essentials 2.1 Update
July 5, 2011Microsoft has now released the update for its anti-virus and anti-malware software Security Essentials 2.1 for Windows 7, Vista and Windows XP users, you van download it now at Download Center in 32 bit and 64 versions.