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10.6: Fix an issue where Exposé fails to switch Spaces
Authored by: cerniuk on Sep 24, '09 05:09:03PM
I would take this a step further (and did)

I have the Dock crashing on me on a frequent basis. This takes out the command tab switching, the expose corners on my screen, the dock and sometimes the background image.

So I took the GUI-way and went to the Activity Monitor and force quit the "Dock" process and voila! Everything working again... but wait there is more...

In 10.6 they seemed to have changed the old exposé pref's files which I suspect are corrupt. Prior to killing the dock, I opened the System Preferences panel for Expose and it took several minutes to open. The controls were all grayed out. Digging around I found that if I changed the number of rows or columns in Spaces, the file ~/Library/Preferences/com.apple.dock.plist changed ;-)

So for safety sake (and because I have much more of a problem with corruption of plist files than I ever did with resource forks), I deleted the com.apple.dock.plist file and then force quit the Dock process again. This recreated a theoretically clean com.apple.dock.plist. While I lost all of my custom dock settings, it was worth it because this silly thing needed a good killing!

At least resource forks have checksums to tell you if the the silly thing is corrupted!

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