Hi, David.

>Trying to track this down, do you mean the .mpr or .mpx files had a later >timestamp than the .mnx/.mnt files?
*** Yes. That's right.

>Do you have Rebuild All and/or Recompile >All checked on the project?
*** No, just the Display Errors option.

>No, the menu is not corrupted.
>It turned out what causing the problem is that one of the associated files has different datestamp. So when I updated the files (by opening and closing the menu), the problem went away.