Hi guys,
I have now for 3 months tried to solve this problem without success.
For each user who logs on to the MacBook Pro (Yosemite 10.10.1), I can't give or remove admin rights (see attached picture).
I have read that several are affected by it and have tried the various manuals, it doesn't help.
Hope you can help me, as it has stood me in 3 months.
Thanks in advance
Hozan
I have now for 3 months tried to solve this problem without success.
For each user who logs on to the MacBook Pro (Yosemite 10.10.1), I can't give or remove admin rights (see attached picture).
I have read that several are affected by it and have tried the various manuals, it doesn't help.
Hope you can help me, as it has stood me in 3 months.
Thanks in advance
Hozan