I have an MDI winform application.  One of the menu items is using CTRL+U as
the shortcut and it will not invoke the menu item.  Here is a list of things
I have tried to resolve the problem.
1) Tested CTRL+U in Word to make sure that the keys are working properly.
Success
2) Re-Assigned the menu item a different shortcut.  Success
3) Re-Assigned a different menu item the CTRL+U shortcut.  Failure
4) Created a new project with one form, and a menu item with the CTRL+U
shortcut.  Success.
5) I can hot key to the menu item (the underllined letters for the menu
items).  Success
6) I can click on the menu item.  Success

Controls on the MDI Parent form
1) CDDB control
2) MCI control
3) menu items

Controls on the MDI child form the menu item is affecting
1) Labels
2) text boxes
3) tab control with 2 pages
4) 2 grid controls (1 per page)
5) toolbar

Any thoughts/suggestions on why CTRL+U won't work?

Thanks,
Greg