Have you got outo update running ?
If so it could be that your machine automatically updated some other area, and caused the o/s to veiw things differently. I prefer to update manually, so I know what was done when . . .
Alienware 17 R4 2017 review
These brilliant Lego posters show just what children's imaginations are capable of
Mac power user tips and hidden tricks
Comment réinitialiser votre PC, ordinateur portable ou tablette Windows ?