Blue Screen is constant in games.

Hey i keep having these blue screens of death. First it was norton internet Security, so i deleated it and i thought it was fine now its has returned while gaming.

Please somebody help.

Code:

Loading Dump File [C:\Users\Mike\Downloads\BSODDmpFiles\erekson714\122911-23696-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: SRV*c:\symbols*http://msdl.microsoft.com/download/symbols
Executable search path is: 
Windows 7 Kernel Version 7601 (Service Pack 1) MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS Personal
Built by: 7601.17640.amd64fre.win7sp1_gdr.110622-1506
Machine Name:
Kernel base = 0xfffff800`02c1a000 PsLoadedModuleList = 0xfffff800`02e5f670
Debug session time: Thu Dec 29 09:45:19.167 2011 (GMT-7)
System Uptime: 0 days 1:38:22.180
Loading Kernel Symbols
...............................................................
................................................................
...................................
Loading User Symbols
Loading unloaded module list
.....
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck 116, {fffffa800631b4e0, fffff880040078c8, 0, 2}

Unable to load image \SystemRoot\system32\DRIVERS\atikmpag.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for atikmpag.sys
*** ERROR: Module load completed but symbols could not be loaded for atikmpag.sys
Probably caused by : atikmpag.sys ( atikmpag+78c8 )

Followup: MachineOwner
---------

0: kd> !analyze -v
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

VIDEO_TDR_FAILURE (116)
Attempt to reset the display driver and recover from timeout failed.
Arguments:
Arg1: fffffa800631b4e0, Optional pointer to internal TDR recovery context (TDR_RECOVERY_CONTEXT).
Arg2: fffff880040078c8, The pointer into responsible device driver module (e.g. owner tag).
Arg3: 0000000000000000, Optional error code (NTSTATUS) of the last failed operation.
Arg4: 0000000000000002, Optional internal context dependent data.

Debugging Details:
------------------


FAULTING_IP: 
atikmpag+78c8
fffff880`040078c8 4883ec28        sub     rsp,28h

DEFAULT_BUCKET_ID:  GRAPHICS_DRIVER_TDR_FAULT

CUSTOMER_CRASH_COUNT:  1

BUGCHECK_STR:  0x116

PROCESS_NAME:  System

CURRENT_IRQL:  0

STACK_TEXT:  
fffff880`03ff99c8 fffff880`05320000 : 00000000`00000116 fffffa80`0631b4e0 fffff880`040078c8 00000000`00000000 : nt!KeBugCheckEx
fffff880`03ff99d0 fffff880`0531fd0a : fffff880`040078c8 fffffa80`0631b4e0 fffffa80`0656ad50 fffffa80`0654c410 : dxgkrnl!TdrBugcheckOnTimeout+0xec
fffff880`03ff9a10 fffff880`053c6f07 : fffffa80`0631b4e0 00000000`00000000 fffffa80`0656ad50 fffffa80`0654c410 : dxgkrnl!TdrIsRecoveryRequired+0x1a2
fffff880`03ff9a40 fffff880`053f0b75 : 00000000`ffffffff 00000000`0005c307 00000000`00000000 00000000`00000002 : dxgmms1!VidSchiReportHwHang+0x40b
fffff880`03ff9b20 fffff880`053ef2bb : 00000000`00000102 00000000`00000000 00000000`0005c307 00000000`00000000 : dxgmms1!VidSchiCheckHwProgress+0x71
fffff880`03ff9b50 fffff880`053c22c6 : ffffffff`ff676980 fffffa80`0654c410 00000000`00000000 00000000`00000000 : dxgmms1!VidSchiWaitForSchedulerEvents+0x1fb
fffff880`03ff9bf0 fffff880`053eee7a : 00000000`00000000 fffffa80`06627b70 00000000`00000080 fffffa80`0654c410 : dxgmms1!VidSchiScheduleCommandToRun+0x1da
fffff880`03ff9d00 fffff800`02f31fee : 00000000`fffffc32 fffffa80`0654aa10 fffffa80`03671b30 fffffa80`0654aa10 : dxgmms1!VidSchiWorkerThread+0xba
fffff880`03ff9d40 fffff800`02c885e6 : fffff880`02f63180 fffffa80`0654aa10 fffff880`02f6dfc0 fffff880`01230a20 : nt!PspSystemThreadStartup+0x5a
fffff880`03ff9d80 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KxStartSystemThread+0x16


STACK_COMMAND:  .bugcheck ; kb

FOLLOWUP_IP: 
atikmpag+78c8
fffff880`040078c8 4883ec28        sub     rsp,28h

SYMBOL_NAME:  atikmpag+78c8

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: atikmpag

IMAGE_NAME:  atikmpag.sys

DEBUG_FLR_IMAGE_TIMESTAMP:  4ebb331c

FAILURE_BUCKET_ID:  X64_0x116_IMAGE_atikmpag.sys

BUCKET_ID:  X64_0x116_IMAGE_atikmpag.sys

Followup: MachineOwner
---------

The system was unable to reset your display card. See STOP 0x116: VIDEO_TDR_ERROR troubleshooting for troubleshooting steps.