El Capitan loaded on my external hard drive disturbed my system preferences Maverick on my drive internal

I currently use the most recent version of Maverick from an internal hard drive on my iMac. I needed to download the demo of Final Cut Pro X or under of El Capitan Yosemite and due to a limitation of version of FCPX. As I had an another Maverick boot on an external drive, I've decided to upgrade this drive to El Capitan. A few hours after the installation was successful, and I was able to download the trial of FCPX. So I planted my system and restarted with my boot Maverick my internal drive. So far so good, however, to my surprise, I can't the system preferences window because it gives me the following message appears "Unable to open the preferences system because of a problem.". Similarly, I get the same message when I load a DVD and the DVD player will automatically load.

I need to go to my applications and open the program individual (Preferences system and DVD player to do what I want to accomplish.

I restored tOSX recovery Mignot, but nothing has changed. I believe that El Capitan installation on another drive has created conflicts.

I also discovered that my backup should be completely redone (i.e. backup lull in my go 530)... beautiful!

Someone has a similar problem?

If I can't solve this problem, I have to install El Capitan on my internal drive and maybe the problem will be solved.

I would eject the external hard drive with the installation of El Capitan and see if it helps.

FWIW, I have never known or seen reported when an installation on an external drive also changed the preferences on the internal drive.

I suggest that you eliminate problems in your user folder by checking in the comments or in a new user.

CREATE A NEW USER

Go to system-> Preferences, create a new user in users and groups.

Place in the new user by logging in under the Apple in the menu bar.

Log in to the new user.

You can ignore connect them with one identifier Apple. Hit continue and then jump.

Only applications Apple will be on the dock.

Go to Applications to open other applications.

You still see the issue?

If Yes, then the problem is with your core files.

If not, then the problem is in your user folder.

You have the time Machine and internal backups of your disk clone?

Tags: Mac OS & System Software

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