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There is a little nugget of good news for you if you insist on staying with Windows XP. Microsoft has reversed their earlier decision to end Microsoft Security Essentials support in April, 2014. It will continue to be offered for download and updated through July 2015. Still, it is time to move on from XP.
Microsoft issued a warning that hackers could potentially examine security updates and patches that are issued for Windows 7 and 8 to learn of vulnerabilities in XP, and with no additional XP updates to address them, the door will be wide open. According to Microsoft, in one year from mid-2012 to mid-2013, XP shared 30 security vulnerabilities with Windows 7 and 8, so this isn’t just some theoretical possibility. Considering nearly ⅓ of PCs are running XP, according to some estimates at least, black hats have plenty of incentive to devote a lot of attention to XP in the coming months. In my opinion, it would be a very bad idea to continue using XP for most purposes.