>Thanks for the reply. I'm currently thinking it is not the graphics card
>simply because this has occurred on all of the different three Compaq DeskPro
>models, Celeron 400, PIII 600, and PIII 733, I've used here at work over the
>last year. I can't pin down a common hardware denominator.
>
>It doesn't seem likely to me that it could be related to the scroll mice I have
>used, an A4Tech 4D and the Logitech that Compaq bundles.
>
>More Details:
>When the problem occurs while programming VFP and I have highlighted lines of
>code and right click to comment/uncomment. It seems that it may be more likely
>to (but not necessarily) occur if I happen to right click inside the
>highlighted block. The mouse seems to loose control and the method code window
>scrolls as the mouse moves, not letting me change focus to anything in the VFP
>environment. Sometimes it eventually self-recovers but normally I need to shut
>down VFP (6.0).
>
>Has anyone else had similar IDE right click issues?

Did you look if there was a new version of the mouse driver?