Tiger unexpectedly quits and PB G4 shuts down.

Earlier today I shut the lid on my PB G4 12" and when I opened it again it had shut down. When I started it up and logged in, a message appeared telling me that Mac OS had unexpectedly quit and the laptop had switched itself off. Then I notice that all of my toolbar settings e.g. to show status of airport, displays, time etc. in the toolbar had changed. I restored them in system preferences one by one. Can anyone explain this behaviour and what, if anything, it is symptomatic of? I know it's a kernel panic or something but the fact that settings have changed worries me and thought I could get a quick answer here. Thanks.

Hi, bettina. Before replacing your clock battery, test it as described in this article:
http://docs.info.apple.com/article.html?artnum=30017
This may confirm that it's bad, or may encourage you to focus on finding the problem elsewhere.
What suggests that the battery is bad is the fact that your clock is wrong at startup. If your Date & Time options include obtaining the correct time from a network time server and your computer is connected to the internet all the time, that explains why the clock is reset to the correct time very soon after starting up.

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Tiger unexpectedly quits and PB G4 shuts down.

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