Both of those logs are far from "fine", even the one from a couple nights ago. Your frame times are a disaster and you're getting half your frames duplicated due to encoding settings that are too high for your computer. Your CPU just can't keep up with the demand you're putting on it. You need to downscale by ~2x at least, maybe more. You might also want to consider changing your x264 preset to superfast, and maybe your framerate to 25fps.
Also, how did you manage to disable Aero on Windows 8?