Random BSODs and Crashes

Lawfulfelafel

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Messages
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Hi. I recently built a computer.
PARTS:
Intel Core i7 Sandy Bridge 2600k (1155)
Corsair 650W Power Supply
MSI P67a-gd65 (B3) Motherboard (DDR3) (1155)
Nvidia GeForce 9800 GT Videocard
Western Digital Caviar Black 640gb HDD 6.0gb/s
Cisco WMP600N PCI Wireless N PCI Adapter
(Linksys E4200 Wireless Router [ISP: Comcast])
2x2gb RAM Mushkin DDR3 (1600)
Antec 901 Case (Not that it mattters)
I got all of the parts and assembled them maybe 3 weeks ago. After using it successfully for about or less than a day, I started getting blue screens such as PFN_LIST CORRUPT, MEMORY_MANAGEMENT, and some other things that I can't remember. Anyways, upon seeing this I began to try to root out what the problem was. First, I did a memory test on my BIOS and I also used memtestx86. Both of them came out clean. I also tried LinX stress test, and my cpu passed. I tried my old hard drive and the blue-screens persisted. I tried another video card (even though my 9800GT was working on my computer before this one) and the blue screens STILL persisted. I called MSI and they told me to send in my motherboard and that they would send me a new one. I did that, and I got my new one two days ago.

Yesterday my computer was working fine (after I reassembled it all), and I was quite happy. I did a few restarts for updates and it was still OK. I left it on overnight and woke up to see that it was still fine (and that it had finished all of my downloads). However, later today, after restarting it due to updates and stuff, the whole computer started to go haywire. First of all, I started to have the same old BSOD errors, as well as IRQL_NOT_LESS_OR_EQUAL. Also, randomly, my Windows Explorer would crash, or my internet would crash. Sometimes I cant even open an application (Skype, Steam, Chrome, etc.). The blue screens happen anywhere from 5-20 minutes in after starting my computer. I called MSI again, and they told me to upgrade my BIOS. I did that and the problems persisted. I called them again, and they told me to update my drivers. I did that and the problems persisted. I'm running out of options and sanity. Please help me, I've asked friends who are good at computers and they have no clue either. Thank you in advance.

PS.: My internet also randomly cuts out and I've done four clean reinstalls of Windows 7 32-bit
 

My Computer

OS
Windows 7 Home Premium 32 Bit

My Computer

Computer Manufacturer/Model Number
Self Built
OS
Windows 7 Home Premium 64bit
CPU
Intel Core i5-2500 @ 3.8GHz
Motherboard
MSI P67A-GD65
Memory
G.SKILL Ripjaws Series 8GB (2 x 4GB) DDR3 1600
Graphics Card(s)
NVIDIA GTX 550Ti
Sound Card
On Board
Monitor(s) Displays
ASUS 23"
Hard Drives
OCZ Vertex 3 VTX3-25SAT3-60G
Keyboard
Wireless
Mouse
Wireless
I would be glad to, but my computer either Blue-Screens or freezes before even the first step finishes.
 

My Computer

OS
Windows 7 Home Premium 32 Bit
Have you tried in safe mode with networking?
 

My Computer

Computer Manufacturer/Model Number
Self Built
OS
Windows 7 Home Premium 64bit
CPU
Intel Core i5-2500 @ 3.8GHz
Motherboard
MSI P67A-GD65
Memory
G.SKILL Ripjaws Series 8GB (2 x 4GB) DDR3 1600
Graphics Card(s)
NVIDIA GTX 550Ti
Sound Card
On Board
Monitor(s) Displays
ASUS 23"
Hard Drives
OCZ Vertex 3 VTX3-25SAT3-60G
Keyboard
Wireless
Mouse
Wireless
So I did that, but after step two completed and I tried to do step three (Start => perfmon /report) it said that the files could not be found. Also, my sound stopped working. Just saying.
 

My Computer

OS
Windows 7 Home Premium 32 Bit
So I did that, but after step two completed and I tried to do step three (Start => perfmon /report) it said that the files could not be found. Also, my sound stopped working. Just saying.

Skip step 3. Upload whatever was created. If you can't find the file that was made then upload the contents of C:\Windows\minidump
 

My Computer

Computer Manufacturer/Model Number
Self Built
OS
Windows 7 Home Premium 64bit
CPU
Intel Core i5-2500 @ 3.8GHz
Motherboard
MSI P67A-GD65
Memory
G.SKILL Ripjaws Series 8GB (2 x 4GB) DDR3 1600
Graphics Card(s)
NVIDIA GTX 550Ti
Sound Card
On Board
Monitor(s) Displays
ASUS 23"
Hard Drives
OCZ Vertex 3 VTX3-25SAT3-60G
Keyboard
Wireless
Mouse
Wireless
Alright sure. I attached the file.

Also, oddly enough the computer hasn't had any errors on Safe Mode with Networking...
 

My Computer

OS
Windows 7 Home Premium 32 Bit
UPDATE: So I ran a few stress tests again. First, LinX failed (but then shortly bluescreened so I couldn't really investigate). Then I tried Prime95 just now, and it said that one of my cores failed the test (It also stopped its activity on the performance tab of the task manager). Do you think that it could actually be faulty RAM or CPU?
 

My Computer

OS
Windows 7 Home Premium 32 Bit
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