COREY

i have a question for anybody who could help it would be great. i installed mce 2005 and all went well, till i tried to watch live tv. the sound skips on me for about one tenth of a second every 1min or so. i've updated all drives and tried (powerdvd 6, windvd 6). tried sound setting on directX 9.0c. stopped my start up menu from run to stop any conficts. i don't know what it could be causing it. help system:p4 3.0ghz , nvidia fx 5200 128mb, 512 ram, sound blaster live 24bit, 80g hard drive