Dell dimension 8400 blue screen

[mlj3961742]

When i start up my dell 8400 it goes straight to the black screen stating windows did not shut down properly and asks to start in normal safe mode so on... no matter which option i choose it goes straight to the blue screen stating the physical dump of memory how can i fix this problem

 

[aford10]

If you've installed any new hardware, disconnect it.

Download memtest, and let it test your RAM overnight.