The first thing I would try is moving the receiver to different USB 
port. I would also clean the contact points of the USB device with a 
pencil eraser. If that doesn't solve the problem, I would remove, and 
re install the driver, but not by installing a new driver over it. To 
really remove all traces of driver you will need to do this manually, 
or use software like DriverCleaner.net.
Good Luck

Mark Rode

01:15 PM 9/1/2011, you wrote:
>My wife and I are using the Logitech Wave wireless keyboard/mouse set. On my
>wife's computer, the keyboard started to skip characters - she would press a
>letter or space bar and nothing happens.
>
>Has anyone else run into something like this? My next step would be to try a
>wired keyboard, but was hoping to solve this problem - the keyboard has
>worked for two years without trouble and suddenly this!
>Peter Shkabara

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