I have a PC based on MSI RS-480M2 motherboard with Athlon 64 3200+ (Socket 939) Processor, 256x2 MB DDR 400Mhz RAM, 80 GB SATA HDD, Creative Inspire 4400 4.1 Speakers using WinXP+SP2 installed. I use the onboard Realtek AC97 sound and while playing MP3 files, there are lots of pops and clicks...