Sorry Dave, I’m afraid I can’t do that! PCs refuse to shut down after Microsoft patch
Sorry Dave, I’m afraid I can’t do that! PCs refuse to shut down after Microsoft patch
www.theregister.com
Patch Tuesday update makes Windows PCs refuse to shut down
: Microsoft claims it's a Secure Launch bug

"On systems with Secure Launch enabled, attempts to shut down, restart, or hibernate after applying the January patches may fail to complete."