BSOD ,error 0x000000D1, athr.sys

i m frequently getting a blue screen of dead with error 0x000000D1, i tried registry cleaner as well as i formatted my system once but still the same problem appears frequently, i m using windows 7 ultimate 32 bit on my notebook compaq presario cq42 ................pls help me out from this
Thnaks

Your .zip folder is empty, please run the SF Diagnostics Tool as administrator then click grab all.
Then please upload that .zip file.

i have uploaded the new zip file of SF_Diagnostic result....
Thnaks

Please create a restore point before altering drivers by following these instructions

Right, your Atheros Network Driver is causing issues. Please update it here.

Drivers for Atheros AR9285 and Windows 7

Code:

Unable to load image athr.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for athr.sys
*** ERROR: Module load completed but symbols could not be loaded for athr.sys
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck 100000D1, {30, 2, 0, 90cd48a5}

Probably caused by : athr.sys ( athr+428a5 )

Followup: MachineOwner

Code:

807e290c 90cd4647 00000000 8544772c 85848878 athr+0x428a5
807e2944 90cd3c52 85bc8108 86608928 00000000 athr+0x42647
807e296c 90cfafc0 85bc8028 86608928 00000018 athr+0x41c52
807e29c0 90cfb8c7 86364020 86608928 00000000 athr+0x68fc0
807e2b14 90caccfe 86608928 807e2b30 90ca9d2f athr+0x698c7
807e2b20 90ca9d2f 86608928 865d6a40 807e2b40 athr+0x1acfe
807e2b30 90cf19c7 865d6a40 86608928 807e2b68 athr+0x17d2f
807e2b40 90cf16b7 865d8628 86608928 00000000 athr+0x5f9c7
807e2b68 90ca562a 865d8628 86608928 00000000 athr+0x5f6b7
807e2b94 90ca5414 8655c7d0 866088a0 00000000 athr+0x1362a
807e2bac 90ca6499 8655c7d0 8547d150 855cc990 athr+0x13414
807e2bc4 90ca6525 8655c7d0 807e2bdc 90d03554 athr+0x14499
807e2bd0 90d03554 8655c7d0 807e2bf8 90d081ff athr+0x14525
807e2bdc 90d081ff 865bf020 86880022 807c7a54 athr+0x71554
807e2bf8 90cacabd 865bf020 807e2c14 90c93761 athr+0x761ff
807e2c04 90c93761 86364020 8655c7d0 807e2c50 athr+0x1aabd
807e2c14 8ae69309 8655c7d0 00000000 807e2c40 athr+0x1761
807e2c50 8ae149f4 86884de4 00884dd0 00000000 ndis!ndisMiniportDpc+0xe2
807e2c78 82c853b5 86884de4 86884dd0 00000000 ndis!ndisInterruptDpc+0xaf
807e2cd4 82c85218 807c6120 807cb800 00000000 nt!KiExecuteAllDpcs+0xf9
807e2d20 82c85038 00000000 0000000e 00000000 nt!KiRetireDpcList+0xd5
807e2d24 00000000 0000000e 00000000 00000000 nt!KiIdleLoop+0x38

Thanks , i have updated the atheros wifi driver successfully
and i hope the problem will not appear again .
again Thanks you very much..............:)

Post back if you get any issues.
When you feel the issue has been resolved then mark the thread as solved.