That is about when my PC started acting the same. I have a Nvidia card, but the same computer symptoms.  That is when Micro-brains hit us with some kind of "Restart required" update. I reinstalled the graphic drivers and it's working more stable now. Damn microsoft and the horses they screwed us with. :laugh:  They only THINK their are kings.

I cannot save the world. Only my little piece of it. If we all act together, we can save the world.--Nelson Mandela
An  inconsistent hobgoblin is the fool of little minds
Taking "Just do it" to a whole new level!