Select series 2 - edit text inserting fraction

We have a new machine with windows 7 and MS 08.11.07.443.  When the employee first tried editing text, he would click on the text and it would dissapear on the screen.  I switched from word processor to dialog box and it seemed to work correctly.  This was a temp fix.  The next day I uninstalled and reinstalled MS along with the prereq pack and now when he edits text it doesn't dissapear but it inserts a 1/64 fraction in front of the text he changes.  The same file with the same version of MS but running XP works fine.

Any help would be appreciated as I've never seen anything like this.