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#21
There's a component of the realtek audio drivers that is very old, the driver labeled as MBfilt64.sys. While your other parts are dated sometime this year, this one seems to be left dormant with a timestamp of July 30, 2009. Perhaps it's some old remnant left behind from when you installed your motherboard's drivers? Sometimes Driver Sweeper will help clean up these ancient relics, which you can then use the opportunity to install fresh new drivers. Remember to get the drivers from your mobo vendor, not from realtek.
Your motherboard vendor's website should all the drivers for components like network and audio. You look to have an ASRock 970 Extreme 4. Go to the website, go to the appropriate page for that mobo, and download the drivers. Do not download any utilities or software (or the "driver" marked AICharger if it exists). In fact, if you have any software that came with your motherboard software suite (the cd that came with your mobo), you'll want to uninstall em (prolly with Driver Sweeper). Update BIOS too while you're at it, of course.