Der Autor des the unofficial apple weblog hatte arge Problem mit seinem Powerbook:

OK, so I just [...] opened my PowerBook to find it has crashed in transit, I restarted and all seemed well except no programs will open, they just stall out and I’m getting “program not responding” errors. OK, not all programs, but mail, safari, disk utility, itunes, all that stuff is no go. Firefox opens fine though. [...] does anyone have any suggestions of something I could run, or try to run in the next few hours?

UPDATE: Lots of poeple reccomended setting up new users or disk utility - none of which would work because the apps keps failing. However, a reader sugested MacJanitor which I was able to run and solved all the problems in one shot. Thanks!

MacJanitor – aha. Hab ich noch nie was von gehört. Hört sich aber sinnvoll an:

MacJanitor is designed to be used on a periodic basis by Mac OS X users who don't leave their computer on (and awake) 24 hours a day. MacJanitor is provided as freeware as a service to laptop and energy-conscious home users.

The Unix subsystems on Mac OS X were originally written for machines that were typically never shut off. Mac OS X inherits this assumption in version 1.x, and has many system maintenance tasks that are scheduled to run between 3 am and 5 am. In addition, there are scripts designed to run weekly on weekends, and once a month in the middle of the night.

If these maintenance tasks are never run (such as on a laptop that is always shut off at night), many log files and system database will grow extremely large or fail to get backed up.

MacJanitor provides a way to run these system tasks at the click of a button. Laptop users could click the 'daily' button every morning (or every few days), or office workers could click the 'weekly' button on Mondays.

Ich finde es zwar ein bischen verwunderlich, wenn Apple wirklich nicht so weit gedacht haben sollte, aber wenn dem schon so ist, dann macht dieses Freeware-Tool sicherlich Sinn. Apropos Sinn machen. Vermutlich macht es acuh Sinn, es jetzt zu installieren, wenn man keine Probleme hat, bevor man dann Probleme bekommt und es nicht mehr heruntergeladen bekomt