Important stuff in the works for this Patch Tuesday.

You can get much more detailed information here: 

http://technet.microsoft.com/en-us/security/bulletin/ms13-apr

“Microsoft will release an updated version of the Microsoft Windows Malicious Software Removal Tool on Windows Update, Microsoft Update, Windows Server Update Services, and the Download Center.”

also.

There are updates for every Windows OS from XP through Windows 8. You can see which by expanding the Windows Operating System and Components at

http://technet.microsoft.com/en-us/security/bulletin/ms13-apr

Enjoy the restarts.