I can't update or install in App Store of OS X Mountain Lion 10.8.5
Hello,
as wretting in the subject I can't install or update any app in the app store after upgrading to OS X 10.8.5 and Before also
Help
I can signin in iTunes but in App sotre I can't
Regards,
MacBook Pro (13-inch Mid 2012), OS X Mountain Lion (10.8.5)