Black Screen of Death on Windows 7 official statement

“The reports on the so called “Black Screens” was investigated by Microsoft and found to be inaccurate. The company which issued the report has apologized and made a full retraction. Windows 7 security updates was not the cause of the black screens. There is no fix or update necessary for this, but customers should keep their anti-virus software up-to-date as a preventative measure. So far, Microsoft is not seeing an occurrence of this particular issue in our support channels locally.