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I'm trying to reboot Mountain Lion but it will not allow me. It just keeps saying Waiting... without anything happening. What can I do?

See this image:

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up vote 1 down vote accepted

Press command + shift + escape and Force Quit the App Store. You can try updating again after App Store is quit.

If this is a recurring issue, try to install small updates first, one by one.

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I was able to force quit but now whenever I try to run the App Store it's just the spinning beachball and nothing happens. Can I "reset" some App Store preference or something? – Peter Warbo Sep 14 '12 at 23:14
Not all problems are solved by resetting preferences. In fact, I don’t think App Store even has a worthy preference file. Did you try to restart your Mac? Are you on 10.8.0 or 10.8.1? – duci9y Sep 15 '12 at 5:47
I restart brought App Store back to normal. I try to avoid the restart as much as possible :-) – Peter Warbo Sep 15 '12 at 8:55
Restarts usually solve stuff :) – duci9y Sep 15 '12 at 16:06

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