I have several recording softwares including total recorder, advanced MP3 recorder, etc in my computer. but lately, some malfunction happened. at the first minute or so, these recorders could record at normal speed, but after that, the recording speed or playback speed goes slow. when I playback the recordings I made, the voice became very slow and distorted. could anyone here solve the annoying problems? is there some incompatibility problems? but the recorders work fine in my IBM laptop. please help, thanks so much!