Everytime I listen to something on my computer I get crackles and pops every 30 seconds or so.. I finally tried to unplug my USB wireless NA and the noises went away.. the NA also causes interference to my microsoft wireless mouse.. I have to keep it a few feet away from the receiver to avoid problems.. anyone have ideas about the popping noises? Is this typical of wireless NA adapters or does Belkin just make garbage ones?