I guess it is some bugged windows 8, take your computer to the store where you`ve bought it and tell them to fix it if you still have free service, if not, than you need to buy new one and reinstall it, i don`t see any other solution.
I guess it is some bugged windows 8, take your computer to the store where you`ve bought it and tell them to fix it if you still have free service, if not, than you need to buy new one and reinstall it, i don`t see any other solution.