Came across this article, thought it might be of interest or help to users of W7. Basically, the article states that a recent update is causing major issues with graphic drivers etc.
According the the comments on the site it can really cause a lot of problems.
http://www.forbes.com/sites/jasonev...graphics-driver-updates-and-windows-defender/
According the the comments on the site it can really cause a lot of problems.
http://www.forbes.com/sites/jasonev...graphics-driver-updates-and-windows-defender/