Any message in the console (/Applications/Utilities/Console.app) when LR crashes?
Have you tried to log-in with another user account and see if LR crashes in the same way?
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These are around the "crash"
8/27/08 12:44:37 PM com.apple.launchd[1] (com.WD.WDDriveServices[77385]) Exited with exit code: 1
8/27/08 12:44:37 PM com.apple.launchd[1] (com.WD.WDDriveServices) Throttling respawn: Will start in 10 seconds
8/27/08 12:44:40 PM com.apple.launchd[77291] ([0x0-0x60c60c].com.adobe.Lightroom2[77380]) Exited abnormally: Segmentation fault
8/27/08 12:44:47 PM com.apple.launchd[1] (com.WD.WDDriveServices[77388]) posix_spawnp("/usr/bin/WDDrvSvc", ...): No such file or directory
8/27/08 12:44:47 PM com.apple.launchd[1] (com.WD.WDDriveServices[77388]) Exited with exit code: 1
8/27/08 12:44:47 PM com.apple.launchd[1] (com.WD.WDDriveServices) Throttling respawn: Will start in 10 seconds
When I log in as another account and select: print settings > color matching..the color sync and Epson color control "buttons" are not active.
Steve