How to disable and enable pop-up Blocker?

The Pop-up Blocker prevents unwanted pop-up advertisement windows from appearing while browsing the Internet. To disable or enable pop-up blocker in Internet Explorer 7:

1. Launch Internet Explorer, click Tools and select Pop-up Blocker.
   
   
   
   
   1. Click Turn Off Pop-up Blocker to disable the pop-up blocker.
   2. Click Turn On Pop-up Blocker to enable the pop-up blocker.