I did the full scan as you suggested and that didn't help. I also installed a screensaver and that didn't change anything. I haven't done the system file check yet, but I may attempt that when I know...

Thank you for the suggestions! I will try the full scan first (as suggested) using the Windows Defender. I will try the additional suggestions as I can (if necessary and depending on when I can...

Hoping someone could help me with a problem. I have a desktop computer. Since uploading Windows 10, lately if I have any apps or web pages open and the computer is idle for about 15 or 20 minutes or...