Command-tab keyboard problem

Hello. Has anyone had their keyboard stop responding to typing (though command-option-esc still works) after they switched between programs using command-tab? It doesn't seem to matter which application I try, after using command-tab, my computer doesn't like to type anymore.
Any input?
Kurt

My PB G4 Just started doing the same thing. I have no idea why.
What seems to work to fix it though is to use cmnd-tab-shift to go back to the other application and then it starts working again.
But that ***** and apple should tell us of a way to fix it.

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