BSOD("atikmdag.sys") seems to be ATI drivers

dump:

http://tinyurl.com/avqc8gc

DL link for .dmp files(sorry about that)

Code:

http://speedy.sh/egyzT/010913-21855-01.zip

found this fix:
FIX BSOD ATI Blue screen on atikmdag.sys solved fix - Guru3D.com Forums

I'll post the error codes too

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 2057

Additional information about the problem:
BCCode: a0000001
BCP1: 0000000000000005
BCP2: 0000000000000000
BCP3: 0000000000000000
BCP4: 0000000000000000
OS Version: 6_1_7601
Service Pack: 1_0
Product: 256_1

Files that help describe the problem:
C:\Windows\Minidump\010913-21855-01.dmp
C:\Users\Mike\AppData\Local\Temp\WER-40373-0.sysdata.xml

the issues usually occurs when playing games, but has also happened during web browsing.

Blue Screen of Death (BSOD) Posting Instructions
We need some more info.

According to Carrona.org. STOP 0xA0000001:
Usual causes: Appears to be a custom bugcheck coded into ATI drivers

Try to update the display driver to the latest.