Tom,
I'm sorry, I do not have the answer to the problem, but I am encountering
the very same issue.
But it's not just in Excel. I am getting multiple seemingly related weird
behaviors in other MicroSoft applications.
In Excel: whenever I scroll to the right, everything scrolls back to the
left so that I cannot ever get past columns A thru about N (depends on zoom
level)
In Internet Explorer: the "Search For" on this page and other form fields,
the text kept coming out in reverse. I resorted to TextPad to write this
note.
When I was about halfway through this composing this note, Excel start
behaving properly again, and the text started coming out in the right
direction. No clue what I might have done to change the behavior.
I conclude that it was a Microsoft Software related issue, because I did not
have the same scroll problem in non-Microsft applications.
I did not experience the same issue in Powerpoint. I did not get a chance
to see if I got the same wierd behavior in Word.
Regards,
Dan G