Webcam help

i have this webcam, i have tried using it with AOL, the thing is, there is always this high pitch interfierence all the time and i dont know how to get rid of it, i have tried everyhting but cant solve this.

wat could be causing this interfierence?

What webcam is this? and does it only happen when you use it with AOL?

i havent tryed anyhting else.
its happend with 2 webcams, both logitech.
Logitech United States