Multiple BSOD in last 3 months

[David Hurl]

Not sure if this is correct forum if not could I be directed to the correct place.

I built my own computer back in January and it ran with no problems but at the start of June I started getting BSOD every few days. This turned into at least 3 or 4 a day. The CPU started to over heat and cause more BSOD. I bought a better CPU fan which seemed to fix the problem but now its happening again.

I get different reasons, such as MEMORY_MANAGEMANT, page_fault_in_nonpaged_area and few others. I've run memtest86+ for more then 20 passes and no errors. In the event viewer it says kernal power 41.

Any help would be much appreciated.

Specs:
Motherboard: Asus P8Z77-V PRO
CPU: i5-3570k
GPU: Asus Geforce GTX 650 ti
HDD: Western Digital Green 2TB
SSD: OCZ Agility 4 128GB
OS: Windows 8 64 bit
Keyboard: Razer Lycosa
Mouse: HP Wireless Mouse

Update:
Turned on my PC to try and run who crashed but it is now saying that I am missing files for the boot-up. I tried re-installing but couldn't get through the installation as I kept getting errors about missing or corrupted files. The SSD now has no OS on it so cant even get into my computer at all

 

[te100]

have you used whocrashed or bluescreenview either one will give a better idea on what may be causing it.