Hello, I HAVE A WIRELESS OPTICAL MOUSE CONNECTED TO MY LAPTOP AND I'VE HAD IT FOR A YEAR OR SO...BUT NOW...THE MOUSE STILL WORKS BUT SOMETIMES WHEN I CLICK TO SCROLL DOWN, IT MINIMIZES THE BROWSER & ON WEBSITES I CAN ONLY CLICK ON LINKS BUT IT WON'T ALLOW ME TO CLICK WHERE I DESIRE BUT EVERY NOW & THEN.