New
#61
I see Windows Update issues in the Application logfile
and Computer Browser service issues in the System logfile
But nothing that could (IMO) be causing artifacts.
Please use this utility to monitor your temps (video card in particular): HWiNFO, HWiNFO32 & HWiNFO64 - Hardware Information and Analysis Tools
Also, carefully have a look inside the case. Unplug it from the wall and hold onto the metal of the case while looking inside. Check for dirt/dust/furballs in the video card cooler. Check to make sure that the video card fan is working. And check to make sure that the power cord to the video card (if so equipped) is firmly seated.
Check other temps and see if there's any dirt/dust/furballs around the other system components. DO NOT use a vacuum cleaner or an air compressor to clean it out - it can damage components. Either blow it out (but don't spit/drool!) - or use canned air to get rid of the excess dirt/dust/furballs.