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Title: Erratic Mouse
Review: I tried to use this mouse with my Mac G4 and it is erratic and all over the desktop and therefore unusable. The driver install went all right, but after all looked good, a belated error message showed up that something was wrong with an extension. The pdf handbook that comes on the accompanying CD contains no useful info and does not provide info for fixes. It does indicate an address for tech support. I emailed tech support and received no answer.
