What is "open dialog box" error message?

D

DL

It might mean you have a hidden window,
Try using shift+Alt+Backspace to move to the msg window
 
B

Brian Tillman [MVP - Outlook]

I can not send or receive email, save my updates in calendar.

Try opening any other Office application and see if the End User License
Agreement acceptace dialogue appears. If so, accept it.
 
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