Follow the post #11 please?
This dump blames Avira.
fffff880`09805f58 fffff880`02b504ecUnable to load image avgntflt.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for avgntflt.sys
*** ERROR: Module load completed but symbols could not be loaded for avgntflt.sys
Description here: Driver Reference Table - avgntflt.sys
Uninstall Avira. Use Microsoft Security Essentials
as your antivirus with windows inbuilt firewall, and free MBAM
as the on demand scanner.
Download and install those, and then run full system scans with both of them, one by one.
Also, You need to update the dispaly driver. Latest AMD Catalyst Video Driver for Windows 7