Please help me fix my audio dropout problem, please!

Ok so i have a Komplete audio 6 with two Krk rokit 6's connected on a balanced signal
AND for some reason, my computer sometimes seems to have a lot of clicky/distortion in the speakers and when i open up the control panel, it says this :



but look at my computer details down low, my computer should be able to handle this no problem what is going on???
I NEED TO FIX THIS STUPID PROBLEM!! :'(

Computer specs:
CPU: Phenom II x4 965 3.40ghz stock
HardDrive: Seagate 700gb
Motherboard: Asus m4a785-m
OS:Windows 7 Ultimate 64bit
RAM: Corsair XMS2 4gb DDR2
Power Supply: LSP ULTRA 750watt ATX