Erm ... 1.74 GB is definitely not enough. And that's probably why you're running into problems. Next time you reboot, check how much OSX space is available with no applications running. Perhaps it's time to make space. I had to do that also. I ended up moving many programs onto a different partition (those that allow it ... some demand to be run from the OSX system partition.) Or moving some of your other files off to make space. An external drive is good for backup. I have 2 internal 120 GB drives, 2 x 250 & 1 x 160 GB external drives. And about 200+ dvd-rw disks. lol eg: I moved my iTunes library onto an external drive. My iTunes Library is about 90 GB now!

You might also want to consider this: Tip: Purge the Downloads Queue! which I apply now & again but only very selectively only. That's because I'm after very rare files.

Attached? ... you're obviously editing in the attachments after posting.

BTW I'm going offline soon! Too much work & no play makes tom a ..