I recently decided to try digital/PC recording and cannot quite get my system working properly. These are the items I have set up now. Sony VAIO PCV-RX-540(1.2ghz celeron, 256ram) with an additional Maxtor 7200rpm 80 gig hard drive added for the audio. OS is Windows XP. I am using a Tascam US-428 for the audio/midi interface. The software is the bundled Cubasis that comes with the US-428. The problem is while playing back recorded tracks of audio I am experiencing 'glitches' 'pops' or something resembling a cd skipping. I have tried shuting down all possible applications that maybe running - took out the modem - disabled all other hardware not in use - all with no luck. If any of you can help I will greatly appreciate it, and please feel free to email me direct if you need any further info to help me along.