I got a message today while on my computer saying "your disk is almost full". I was surprised to see such low space (75MB). I deleted a bunch of gigs of movies etc, some apps... since then, my counter keeps changing dramatically, without any activity. it will say 15GB free, then 2 min later 6GB free, etc. Eventually goes back to low MB. I tried to install a version of photoshop CS5 from a friend the other day with a crack, and it didn't work. deleted photoshop, but wondering if this has anything to do with it. Could this also have anything to do with my MAIL program? I noticed using OmniSweeper that I have about 50GB of mail saved on the computer, and perhaps using the MAIL program is causing this? Thoughts/Tips/Solutions? Thanks!