I like the keychain myself, guess it tales all types :). Two things spring to mind.

1) In the latest version of keychain access on 10.3 there is a keychain repair tool, under the window menu. ...

Use Apple's Disk Utility

Burning with Disk Utility (http://docs.info.apple.com/article.html?artnum=93006)

Were you able to start up to the GUI when you tried safe mode or did you still end up at the command prompt? What troubleshooting steps have you tried from the command line?

Bear in mind that /etc is an alias to /private/etc, and it is that symbolic link that may have been deleted. If so the command above will return 'No such file or directory' even if the contents of...

You might start with this Apple Support article:

http://docs.info.apple.com/article.html?artnum=106908

If the symptoms described don't apply to you then there are links to other articles on...

The only thing I've experienced that causes a mail account to go offline is failure to log into that account. That could be because the name of the server was wrong, the DNS lookup failed, or the...

Yes, the text you posted is talking pre-OS X, however Bryce 5 ran natively on OS X so you should be able to install an OS X vesion from the CD. I've long since abandoned apps that run in classic...

No doubt this thread will be moved soon, but in the meantime...

If memory serves, when you delete a user the old user directory is converted to a disk image and moved to a folder called deleted...

I have to say this really sounds like you've booted into a different startup disk. Either that or someone's come along and done a fresh install on your system :). I can't see any other explanations...

Any provider should work with an ethernet based router, although some are more friendly to Mac users than others. I'm on zen internet (using a G4 and OS X).
...

stuffit deluxe is supposed to be able to decode mime files. Have you tried opening the file in a text editor? That may give some clues as to what's going. You could also try getting the latest...

Dodgy memory could definitely be a problem, although the fact that it's stable once booted makes me think it may be something else. Before making any suggestions let me just say - Backup your data...

What error messages do you get from Mail when it fails?

First thing I would do is update to OS 10.3.5. I had a similar problem when I plugged my mobile phone into the usb port of my iBook. Updating to the latest OS fixed that.

The second thing I...