I don't see any BSOD in your event logs. The last BSOD I see is back in July 2010.
Are you running a legit copy of Windows?
c:\program files (x86)\rivatuner v2.24 msi master overclocking arena 2009 edition\rivatuner64.sys
Start off by removing Gigabyte Easy Tune 6/Riva Tuner. It is a known BSOD maker in Windows 7.
I don't see Easy Tune 6 installed. The driver GVTDrv64.sys
is still being loaded so it can cause issues. Go to C:\windows\system32\drivers
and locate that file a delete it.
Try and get me a minidump so I can get a better idea as to what's going on