and sometimes does a horizontal scroll even when there is more 'depth' than showing on screen.

Also, when I'm edit 2 different documents, soon after starting the wheel moved in one window actually scrolls the OTHER window.

Needless to say, this is aggravating to the extreme.

A few days ago I uploaded the latest SP, but no joy. Also uploaded the lastes mouse driver. Still no joy.

Office 2003 from MSDN

any help appreciated

Jim