Microsoft has identified a new Internet Explorer (IE) exploit that affects IE6 through IE11, and just released
a critical security update to address the vulnerability.

Here’s the link to Microsoft’s Critical Update:

As of April 8th 2014, support and security updates for Windows XP are no longer available from Microsoft.

Don't let your PC go unprotected, upgrade to a newer version of Windows ASAP!

See the Microsoft bulletin here: