I think that your computer has to be put down once and for all. The game that microsoft is playing with you is now irittating and a solution is required. Some things require a touch of experts. If you have paid for an activation key and your computer is still causing you this kiind of problem than wgat you need is an ofline activator. I know you said that it came back to normal again but I know that it will happen again after sometime. What you need to do is get an ofline activator. With it you will not even need a microsoft account to activate your windows. it is the alternative that people have resorted to. Since people that are not even mcrosoft providers are selling activation keys then why ot get your ver own at no cost. There is no difference in that. The activator is called KMSactivator. Just look for it on gooogle and you will find a suitable website that provides the real deal. Everytime your windows deactivates just open the program and activate it again.