HT203600: OS X Lion: Upgrading from Mac OS X v10.6 does not work with software RAID; "An error occurred while preparing the installation. Try running this application again." appears

Learn about OS X Lion: Upgrading from Mac OS X v10.6 does not work with software RAID; "An error occurred while preparing the installation. Try running this application again." appears
Gicker
Level 1 (0 points)

Q: I have this problem also but this solution didn't work for me , any other suggestions ?

I got past this error by running disk utility and repaired a big list of problems with permissions on my boot drive. The install worked after that.

iMac, Mac OS X (10.6.4)

Posted on Jul 27, 2012 5:44 AM