Configure Pop Up Blocker using Group Policy Editor
This policy setting lets you decide whether to turn on Pop-up Blocker. By default, Pop-up Blocker is turned on..
If you enable this setting, Pop-up Blocker is turned on, stopping pop-up windows from appearing.
If you disable this setting, Pop-up Blocker is turned off, letting pop-ups windows appear.
If you don't configure this setting, employees can choose whether to use Pop-up Blocker.