peek windows

Hola a tod@s, no veo un foro para windows 7, por eso escribo aquí...Mi problema es que Aero Peek (las miniaturas de las ventanas) me dejó de funcionar de repente, no sé si tiene que ver con la instalación de los drivers ...

Microsoft says it will finally give developers a peek at the next version of its omnipresent Windows operating system, code-named "Longhorn," in October at its professional developer's conference in Los Angeles. However, conference ...