Only one minidump in your report and it's memory management. That is either bad RAM or a bad driver
Code:
ASACPI.sys Sun Mar 27 22:30:36 2005 (42476C4C)
A known BSOD maker in Windows 7. The 2005 version of this driver is known to cause BSOD on Windows 7 systems.
Download the ATK0110 utility from here -
ASUSTeK Computer Inc. - Motherboards- ASUS M4A79XTD EVO
Expand the "Utilities" tab and find "ATK0110 driver for WindowsXP/Vista/Windows 7 32&64-bit" and download it
After you install it browse to C:\windows\system32\drivers and check the properties of ASACPI.sys and make sure it now says 2009.
Please run these tests and report back the results
1. Memtest86 - Run for 7-8 passes -
RAM - Test with Memtest86+
2. Prime95 - Run all three tests for 3-4 hours each or until fail -
Hardware - Stress Test With Prime95
3. Hard drive scan usings SeaTools -
SeaTools for Windows | Seagate - Both long and short tests
BSOD BUGCHECK SUMMARY Code:
Built by: 7601.17640.amd64fre.win7sp1_gdr.110622-1506
Debug session time: Thu Feb 23 21:33:38.098 2012 (UTC - 5:00)
System Uptime: 0 days 5:24:39.659
Probably caused by : ntkrnlmp.exe ( nt! ?? ::FNODOBFM::`string'+117c3 )
BUGCHECK_STR: 0x1a_8886
PROCESS_NAME: firefox.exe
FAILURE_BUCKET_ID: X64_0x1a_8886_nt!_??_::FNODOBFM::_string_+117c3
BiosReleaseDate = 06/17/2010
SystemManufacturer = System manufacturer
SystemProductName = System Product Name
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