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10.6.3: Those Missing Dock Icons
It's all in the -Caches-.
Reports are streaming in about people losing their Dock icons after their 10.6.3 upgrade. To wit:
This is easier to fix than one thinks. Just as with børked Cocoa services, 'it's all in the -Caches-' - it's in the cache files stored under /private/var/folders.
Some of this stuff is easy to get at (with an acceptable file manager) but some of it requires root escalation - you know, the non-Apple kind that requires you submit your admin password.
The command is straightforward. Close all your apps, run the command, and reboot immediately.
sudo rm /var/folders/*/*/-Caches-/com.apple.dock.iconcache
Kudos to Dali Rău of Graphic Tribe for the script.