""Sfc/scannow" may be worth a try, and is easy to do If you follow this eightforums.com tutorial ( Option 2 is the one you want) It may repair any errors your system has. Worth a shot"
So is the DISM command.
In my signature is a link to a tutorial on using.
It will fix things SFC cannot.
Just a note-- The shortcut needs to remain in one location.
I did mine from the shortcut on the Desktop.
If I moved the Desktop shortcut to say, My Documents, The link in the taskbar would not work.
If you don't want the shortcut on the desktop you could put it in My Documents first & pin it from there.
Another note-- Here is a link to the favicon in the post by Sean6027 :