Daily BSODs on Windows 7

Here is the blue screen message:


A problem has been dtected and windows has been shutdown to prevent damage to your computer.

PFN_LIST_CORRUPT

If this is the first time you've seen this Stop error screen, restart your computer. If this screen appears again, follow these steps:

Check to make sure any new hardware or software is properly installed. If this is a new installation, ask your hardware or software manufacturer for any windows updates that you might need.

If thes problems continue, disable or remove any newly installed hardware or software. Disable BIOS memory options such as caching or shadowing. If you need to use safemode to remove or disable components, retsrat your computer. Press F8 to select Advanced Start up options, and then select safe mode,

Technical information:
*** STOP: 0x0000004E (0x0000000000000099, 0x0000000000027952, 0x0000000000000002, 0x000000000002794F)

and then the physical memory dump stuff



And I attached 5 memory dump files