Media Center and Media Player mouse doesn't work properly

I have a Sony Vaio RX660 using a Logitech USB optical mouse.

When I run Media Center it seems to track the mouse motion, and highlights
controls when the mouse moves over them. However it is completely oblivious
to any mouse clicks. The keyboard support all seems to work fine.

When I run Media Player the mouse seems to work fine until I'm playing a DVD
clip, then again the mouse motion works, but mouse clicks don't. When the
clip finished and the DVD menu comes back, mouse clicks seem to work again,
but stop again once the video clip is playing.

When I run Media Player under Windows XP, I have no problems with the mouse.

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Eric Kolotyluk
Software Developer