There appears to be plenty of people with the same problem on the 'net, but I am not seeing any real solutions.
If this were happening on my win X computer I would reset it.
Click on the Start thingie.....then search.....type in Reset.....Click on Reset This PC
or....Settings>>> Update and Security>>>> Recovery >>> Reset this PC
Depending on your circumstances, you may choose to either keep your files,, or remove them.
Be Aware....choosing to remove them deletes them Forever !!
Let me know how you get on.
Having a BACKUP is always a really good idea.... Before you start !!!!!...to an external drive/dvd's/usb....
Condobloke ...Outback Australian fed up with Windows antics...??....LINUX IS THE ANSWER....I USE LINUX MINT 18.3 EXCLUSIVELY.
“A man travels the world in search of what he needs and returns home to find it."
It has been said that time heals all wounds. I don't agree. The wounds remain. Time - the mind, protecting its sanity - covers them with some scar tissue and the pain lessens, but it is never gone. Rose Kennedy