Thanks for all the help axe, I will run hdtune again just to be sure, and then swap the cpu.

If it's a psu issue, wouldn't the system crash when I ran memtest86 for 9 hours straight?

You think it's not a software issue? Most of the time blue screens are a software issue right? Drivers? Maybe a microsoft driver/process is causing this..

How can I be sure though? I don't wanna buy another psu and motherboard just to see that something else is the issue.. (new psu and motherboard would cost me one third of the entire pc cost)

Hello,
I just built a new gaming pc, installed a fresh copy of windows that I installed from their website (windows media creation tool), and got the first BSOD while the windows installation was...