USB CAMERA AND MOUSE

I JUST INSTALLED WINDOWS XP, I OWN A IFEEL USB MOUSE AND A QUICKCAM EXPRESS (BOTH FROM LOGITECH)THE PROBLEM IS THAT WHEN I TRY TO USE THE CAMERA, THE MOUSE DISSAPEARS. I HAVE TRIED TO DOWNLOAD THE LATEST SOFTWARE FROM LOGITECH’S WEBSITE, BUT NO AVAIL. PLEASE HELP.