Weird behavior after reinstall of OS and addition of RAM

Hey all,

My rig was running happily until about a week ago, when I decided that I should clean it out as a part of my spring cleaning. I also got some new RAM, which has passed the Windows Memory Diagnostic test. Anyway, the hardware setup is the same as it was before I cleaned it out, when it was working stably and had no issues (Minus the RAM, which is fine, according to tests).

After I reinstalled the OS, the computer has been working mostly stably, but it seems that whenever I am away from it after a while, it will tell me that it BSOD'ed. I have no idea what I have done wrong. My roommate looked through everything I've done, and he said that he wouldn't have done anything differently.

I copied the BSOD and pasted it in below. I tried to search the internet to see what my issue was, and I couldn't find any info about my specific BSOD was about.
Quote:

Problem signature:
Problem Event Name:BlueScreen
OS Version:6.1.7600.2.0.0.256.48
Locale ID:1033

Additional information about the problem:
BCCode:116
BCP1:FFFFFA8007C2C4E0
BCP2:FFFFF8801061923C
BCP3:FFFFFFFFC000009A
BCP4:0000000000000004
OS Version:6_1_7600
Service Pack:0_0
Product:256_1

Files that help describe the problem:
C:\Windows\Minidump\040211-21078-01.dmp
C:\Users\ISWILSON\AppData\Local\Temp\WER-51843-0.sysdata.xml

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