Windows 7 Troubleshooting BSOD: "Memory Management" and "Page Fault in Nonpaged Area" Errors after Graphics Card Replacement

[FONT=lucida console]**************************Fri Nov 23 08:25:01.310 2012 (UTC - 5:00)**************************
Loading Dump File [C:\Users\John\_jcgriff2_\dbug\__Kernel__\112312-37409-01.dmp]
*** WARNING: Unable to verify timestamp for Unknown_Module_00000000`00000000
Windows 7 Kernel Version 7600 MP (4 procs) Free x64
[B]Missing Windows 7 Service Pack 1[/B]
Built by: [B]7600[/B].16617.amd64fre.win7_gdr.100618-1621
System Uptime:[B]0 days 0:26:58.855[/B]
*** WARNING: Unable to verify timestamp for Unknown_Module_00000000`00000000
*** WARNING: Unable to verify timestamp for Unknown_Module_00000000`00000000
Probably caused by :[B]Unknown_Image ( ANALYSIS_INCONCLUSIVE )[/B]
BugCheck [B]50, {9d0a70, 0, 764caba7, 8}[/B]
BugCheck Info: [B]Link Removed[/B]
Arguments: 
Arg1: 00000000009d0a70, memory referenced.
Arg2: 0000000000000000, value 0 = read operation, 1 = write operation.
Arg3: 00000000764caba7, If non-zero, the instruction address which referenced the bad memory
    address.
Arg4: 0000000000000008, (reserved)
BUGCHECK_STR:  0x50
DEFAULT_BUCKET_ID:  WIN7_DRIVER_FAULT
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨``
**************************Sun Nov 25 10:33:35.811 2012 (UTC - 5:00)**************************
Loading Dump File [C:\Users\John\_jcgriff2_\dbug\__Kernel__\112512-28423-01.dmp]
Windows 7 Kernel Version 7600 MP (4 procs) Free x64
[B]Missing Windows 7 Service Pack 1[/B]
Built by: [B]7600[/B].17118.amd64fre.win7_gdr.120830-0334
System Uptime:[B]0 days 0:04:18.341[/B]
Probably caused by :[B]ntkrnlmp.exe ( nt! ?? ::FNODOBFM::`string'+32f06 )[/B]
BugCheck [B]1A, {41790, fffffa8003ff4dd0, ffff, 0}[/B]
BugCheck Info: [B]Link Removed[/B]
Arguments: 
Arg1: 0000000000041790, A page table page has been corrupted. On a 64 bit OS, parameter 2
    contains the address of the PFN for the corrupted page table page.
    On a 32 bit OS, parameter 2 contains a pointer to the number of used
    PTEs, and parameter 3 contains the number of used PTEs.
Arg2: fffffa8003ff4dd0
Arg3: 000000000000ffff
Arg4: 0000000000000000
BUGCHECK_STR:  0x1a_41790
PROCESS_NAME: [B]mscorsvw.exe[/B]
FAILURE_BUCKET_ID: [B]X64_0x1a_41790_nt!_??_::FNODOBFM::_string_+32f06[/B]
  BIOS Version                  0901
  BIOS Release Date             12/02/2011
  Manufacturer                  To be filled by O.E.M.
  Product Name                  To be filled by O.E.M.
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨``
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**************************Sun Nov 25 10:33:35.811 2012 (UTC - 5:00)**************************
IOMap64.sys                 Thu Feb  4 20:55:34 2010 (4B6B7A96)
amdxata.sys                 Fri Mar 19 12:18:18 2010 (4BA3A3CA)
RTKVHD64.sys                Tue Nov 23 05:14:08 2010 (4CEB93F0)
jraid.sys                   Wed Nov 24 22:27:17 2010 (4CEDD795)
usbfilter.sys               Wed Dec 15 05:34:49 2010 (4D0899C9)
amd_sata.sys                Fri Mar  4 15:45:41 2011 (4D714F75)
amd_xata.sys                Fri Mar  4 15:45:44 2011 (4D714F78)
Rt64win7.sys                Tue Aug 23 09:55:41 2011 (4E53B15D)
asmtxhci.sys                Wed Sep 14 03:36:09 2011 (4E705969)
asmthub3.sys                Wed Sep 14 03:36:19 2011 (4E705973)
nvhda64v.sys                Tue Jul  3 11:25:04 2012 (4FF30ED0)
avgtpx64.sys                Tue Aug 21 10:16:24 2012 (50339838)
avgrkx64.sys                Thu Sep 13 20:41:40 2012 (50527D44)
avgloga.sys                 Thu Sep 20 21:23:51 2012 (505BC1A7)
avgtdia.sys                 Thu Sep 20 21:25:33 2012 (505BC20D)
avgldx64.sys                Mon Oct  1 21:05:50 2012 (506A3DEE)
nvlddmkm.sys                Tue Oct  2 14:21:13 2012 (506B3099)
avgmfx64.sys                Thu Oct  4 21:08:44 2012 (506E331C)
avgidsha.sys                Sun Oct 14 21:22:54 2012 (507B656E)
avgidsdrivera.sys           Mon Oct 22 06:47:11 2012 (5085242F)
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