Vista - New Hardware causes vista to fail to load?

Hello, I'm not that computer literat but please bear with me. I recently added some new hardware to my 6 month old computer (2x2 gigs of ram and a 1T hard drive). I had my computer off and unplugged, added the ram and hard drive, then plugged my computer back in. I started my computer and while Vista was loading I all of a sudden got a BSOD saying:
Stop: C000021a {fatal system error}

The initial session processor system terminated unexpectedly with a status of 0x00000000 (0Xc0000001 0X00100490)
The system has been shut down

After a few more tries of starting it normally, I tried it once with safe mode and it stopped loaded at "crcdisk.sys" and after a bit it would BSOD to the same screen

After starting it up again I selected the option to run the comouter with a previous setting that had a succesful boot, and it went to an error saying that the NLS data was missing or corrupt with an error saying "0Xc0000225"

After I went back to the screen where you have the option to start in safe mode or normal mode, and it said at the top that Windows had failed to load and that if it was due to a hardware change to put in the Vista CD and click on fix my computer, so I tried that. After it tried to fix itself it said that it couldnt automatically fix it. I tried doing a system restore to several differnt points which all didnt work because the system restore couldnt find the file "0X80070002"

If anyone has a solution to help me I would be very grateful.

I was thinking that I could try re-installing vista, but I dont want to lose all of my personal files, so could I just install vista on my other hard drive, look on my original hard drive, and from there move all of my personal files? If you have another solution or comment or suggestion please do so.

Put the old ram back in, dicconect the new HD and see if it works.
If it does backup your data.
This way you can try to diagnose the problem and fix it knowing your data is safe.

Thanks for the comment. I got it to work