Block or show pop-up windows
With Pop-up Guard turned on, you can allow a one-time pop-up window to open, or you add a site to your website allow list. You can modify the list at any time. To get the most from Pop-up Guard, make sure its button appears in the MSN Toolbar.
  Show Pop-up Guard button in the MSN Toolbar
  Block pop-up windows on all of the websites you go to
  Allow one pop-up window for current page
  Allow pop-up windows on the current website
  Allow pop-up windows on specific websites or intranet sites
  Restore pop-up blocking for websites on the allow list

Note

Each time a pop-up window is blocked, you will hear a sound or the Pop-up Guard button will flash with a symbol, Pop-up window blocked notification, depending on the settings you have selected.