+3
You have a basic, @ SYSTEM level failure .
- Hardware dying, includes poor cooling or power rails failing.
- You have a Malware infestation
- A wrong driver was installed during an update..
(Admin level logon required) You should
look at all RED items for clues, Review yellow items as some might be a warning of impending Hardware demise (I caught a HD going bad that way, while it was good enough to clone and go

)
Look at the Event viewer. All Programs: Administrative Tools: Event viewer
(Windows) System Log: