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mackbook air

  1. T

    There was an error connecting to the Apple ID server

    I am trying to upgrade my macbook air. Already ok but I stuck here. Can input password now or can't skip this option also. If I want to restart now also can't. What to do now? If I force restart should I download the Mac OS again?
  2. keessmoors

    ... is damaged and can't be opend.

    If i open any file it doesn't matter which kind of file, it will always tell me that it's damaged and can't be opend. I already tried to reboot my laptop a few times but that doesn't fix the problem. And now comes the funny part, if i open a file within a program let's say preview it does open...