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Find the Previous System Folder, Get Info from the Finder (Command-i), change the owner of the folder to your own account in the Ownership & Permissions section, and then click the "Apply to enclosed items" button. You might have to enter your administrator password to do this, and it could take...

Well, that was... odd... I disconnected my iBook from power like I often do, and carried it into the other room. Soon after it just powered down completely. I had to remove and replace the battery to get it to turn on again. At startup, I noticed the following message reported: ApplePMU: PMU...

You're probably just going to have to reinstall if the entire /etc directory got blown away. There's quite a lot of system configuration and whatnot that's stored in that directory.

Hmm, try resetting the power manager. You should find instructions to do that on this page: http://urth.acsu.buffalo.edu/~pld/Labstuff/powermgr.html

Question: is it safe to remove my iBook's battery while the computer is on and connected to the external power supply? I doubt my battery is affected (I got the computer around Sept. 2004), but it couldn't hurt to check.

I read that Spotlight can be quickly disabled by adding your hard drive to the list of ignored locations in Spotlight preferences (the Privacy tab). Then you can remove it from the list and the index will be rebuilt from scratch. Someone else was reporting that this helped immensely, possibly...

Yeah, the risk is definitely higher, but I suppose the potential is about the same. In any case, this will be something to watch out for.

Hmm, interesting. But is there some reason that plain old applications can't do the same thing, i.e. was this not possible until the advent of Dashboard?

Okay, it seems that setting the Finder to show all files causes all the icons to appear disabled. I'm doing it with the usual "defaults write com.apple.finder AppleShowAllFiles TRUE" approach. Is there some other way that we have to do it now?

I don't suppose it's using the "Filter Finder Items" action is it? I couldn't get that one to work properly for some reason.

Yeah, like the title says, the column and icon views in the Finder are showing all icons as disabled (i.e. greyed out). List view looks normal. Everything is functioning properly, but it just looks a little odd. Does this perhaps have anything to do with the fact that Spotlight is still indexing...

No, just at the general notion of Carbon. Heh. I always saw it as more of a transitional API for migrating OS 9 apps to OS X compatibility. I'd personally go with Cocoa when developing something from scratch, unless I were already intimately familiar with Carbon (which I'm not), and had some...

Ah yes, very true. I sometimes forget about that, because who would want to develop an OS X app from scratch in Carbon anyway? ;-)

Check TextEdit's Preferences, and make sure "Ignore rich text commands in RTF files" isn't enabled. That might do it. Heh.

Here's the source code of a simple Bluetooth internet sharing script I downloaded from somewhere. It only asks for the password once. do shell script "sudo /usr/sbin/pppd /dev/tty.Bluetooth-PDA-Sync 115200 noauth local passive proxyarp asyncmap 0 silent persist :10.0.1.201 &" with...

Hmm, that's worrying. I usually see the disk I/O error message when there's a bad block that can't be read. Just before that comes up, can you hear the hard drive making peculiar clicking noises like it's looking for the block?

Hold down Command-V while booting to start in verbose mode. That'll make it spew text about what it's doing. Then hunt for an error message or something related to why it's just sitting there apparently doing nothing.

Don't know. Find out. ;-) I would hope init is smart enough to notice when the process dies and restart it, but that remains to be seen.

Try "sudo killall WindowServer" and see if that helps. That looks like the first process spawned by init that handles the GUI.