I can't update to Yosemite. I keep getting the error that my HD seems is used by time machine. I use time machine on my external harddrive. I'm running on 10.8.5 at the moment.
MacBook Pro, OS X Mountain Lion (10.8.5)
Posted on Feb 21, 2015 4:20 PM
Q: I can't update to Yosemite.
Click here and follow the instructions.
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