Solution
In order to re-enable back the pop out dialog, please follow below steps:
- Navigate to <ProgramData>\National Instruments\LabVIEW<Version>\LabVIEW.ini
- Open the LabVIEW.ini file
- Locate the command line DontShowProjectRemoveDialogNonFile
- Modify the value to False and save the file.
The resulting parameter look similar to below :