Microsoft Confirms Bug In SSL Patch:
"The knowledge base article goes by the unusually long name: 'Your computer stops responding, you cannot log on to Windows, or your CPU usage for the System process approaches 100 percent after you install the security update that is described in Microsoft Security Bulletin MS04-011.'

The problem occurs, according to the article, because Windows tries repeatedly to load drivers that fail to load. Microsoft acknowledges that the problem is a bug in the patch and that the company is investigating solutions.…"

http://www.eweek.com/article2/0,1759,1578752,00.asp