The company last week warned that much of its software needed patches to be safe and sound. Many will need you to restart your machine or machines.
At the same time Microsoft will release an upgrade to its Malicious Software removal tool, its update services and the download centre.
Affected software includes Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, Windows 8 and 8.1, Windows Server 2008 R2, Windows Server 2012 and Windows Server 2012 R2, Windows RT and Windows RT 8.1, Windows Technical Preview and Windows Server Technical Preview.
Microsoft doesn’t support Windows XP anymore so you are on your own unless like the NHS or people that use point of sale (POS) embedded software you have additional security built in. You can find the whole sorry tale at the Microsoft site, here.