Funny you ask about my system I was just think about that ok here it is I have a G4 Mac with a 400mhz with a 128 meg of ram a 20gig harddrive I running limewire 4.5. just a note it was working fine for the longest time this just started two weeks a go. Oh Yea tonite was a good nite got on first try stayed on for about 40 minutes. not bad then freeze up I hope this info can help please. I hope you guys are working on this.