When in design view for a form, In the right-click menu, if you select control, the dialog box wont open IE:
If I select a Label, right-click it, select control, the Label:Properties dialog box wont open so, there is no way to edit it.
This also affect buttons, fields, anything in form design view.
I don t know if other dialog box are affetced too.
should work in rc4, try that
*** This bug has been marked as a duplicate of bug 32742 ***