If green lines or random pixels appear then its the GPU the culprit
The minidump blames
KernExplorer64.sys - part of AdAware. Remove AdAware immediately.
Replace it with
MSE
Also, it would be a good idea to run a memtest sooner rather than later just incase faulty RAM is the cause.
RAM - Test with Memtest86+ Code:
BugCheck C4, {3c, 664, 0, 0}
Unable to load image \??\C:\Program Files (x86)\Lavasoft\Ad-Aware\KernExplorer64.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for KernExplorer64.sys
*** ERROR: Module load completed but symbols could not be loaded for KernExplorer64.sys
Probably caused by : KernExplorer64.sys ( KernExplorer64+1277 )