sigh I don't know what is going on with my pc, it randomly restarted while I was attempting to check my email and upon said restart I got my first bsod. Now it always goes to bsod when I try to boot it. I made it into safe mode, but it was acting like the cpu was really taxed and after about a minute I got the blue screen. Now it won't even make it into safe mode, it gets hung up and the last thing it says is loaded: \windows\system32\drivers\crcdisk.sys

The bsod I am getting says,

ci.dll
page fault in nonpaged area

stop: 0x00000050
ci.dll - address

collecting data for crash dump...

sorry for the trouble, any help is much appreciated.
oh and I'm running vista ultimate x64
my mb is a gigabyte ga-ep45-ud3p
I have a sapphire ati radeon 4870 and 2 sticks of ocz reaper ram (2 gigs each)

edit: just wanted to clear it up a bit, the cpu just freezes and eventually restarts when I try to boot into safe mode, and I get the blue screen if I try to boot it normally.

i actually did skim through that befoer I posted. But it appeared to me that I needed to be able to get into windows to get the dump file? I'll reread and try to figure it out.

nope, it gets hung up when I try to go into safe mode.

yeah, its only onscreen for a couple of seconds, but I took pictures. I have the pc right here I can give it another go.

thanks for the advice. I've put uduntu onto a usb stick and booted from it. I got to the screen where it asks me if I want to install or a few other options then my cpu went haywire and ran a bunch of text like in dos mode. It finally stopped and I could type, but nothing was happening so I restarted and now I'm getting a main bios checksum error. This is going from bad to worse lol

edit: I've tried removing each stick of ram and swapping their slots but no luck there so I'm assuming they aren't at fault? I googled and found some people saying it might be the motherboards battery? I've had this system for I guess about two years now.