I installed new mobo last week,plus win 8 pro (OEM).Total fresh clean instal,no prob((besides hdmi audio driver)realtek hdmi is there from mobo instal?)Are you upgrade from 7 or full oem?clean instal or over the top?more system specs would help.I went to 13.1 after basic instal.
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i5 3570k(@4.2)./ga-z77x-ud5h-wb./hyper T4./2 x 4gb vengeance 1600 c8./sapphire 7970 3gb OC/boost v2./barracuda 7200.12 6gb/s 1tb hdd./lg bh10 blu-ray r.w../corsair hx850./antec df30./z506 spkrs./lg e2240v./win 8 pro x64(oem).