Then either you are incredibly lucky, or just haven't left it running long enough - upload/downloading enough files. I've had it crash in hours, and sometimes it's taken as long as 3 days (only under XP Pro was I able to get it to run for longer than 1 day without a crash), but it's never run longer than that.

I'm sharing about 300 videos, so I have uploads going to other people almost constantly. I'm also downloading constantly with at least a dozen items queued at any one time. Usage might be a factor as to how often the crashes occur