Windows XP has ended its life cycle on April 8, 2014, but Microsoft is still very kind, and the XP version of Security Essentials (MSE) has been maintaining updates until now. July 14 local time, Microsoft released the July security and update patches, but also the last time for the XP MSE to provide update maintenance, and then completely indifferent.
For enterprise users, the XP version of System Center Endpoint Protection, Forefront Client Security, Forefront Endpoint Protection, Microsoft Intune, and so on, are no longer updated.
If you still want to continue to use Windows XP, please remember to install third-party security software, fortunately, there are many of these tools, and many are free, there are avast, AVG abroad, domestic have ... You can use it if you like.
Of course, even if Windows XP with security software is flawed, there are no security patches anymore, so be sure to upgrade as much as possible.
Currently, Windows XP has a global share of about 12%, down 14% compared to 15 months ago.