Either the information is wrong, meaning that the numbers you read are not real. Or there is something else running int he background, make sure via taskbar there are no strange programs, in the explorer bar write msconfig go to the startup menu that has all software that boots with the pc, see if there is anything strange there to.
It could be a virus so run a scan with your antivurs, you can also use Malwarebytes wich is one of the best anti-malware software out there.