Some Pop-up Blockers may be in place due to your Internet Service Provider. Below is a discussion on how to disable pop-up blocking using COMCAST.

What are the Security Manager Privacy Settings, and how do I enable or disable them?

The Privacy Settings allow you to block pop-up and banner ads on web pages.

To enable or disable pop-up and banner ad blocking, select the Privacy button from the Security Manager. 

From the drop down list, select Privacy Settings.

From here, you can enable either pop-up blocking or banner ad blocking by placing a check mark in the appropriate box. If you wish to disable either feature, remove the check mark from it's box. Click Apply and then OK after making any changes.

How do I configure Security Manager to allow pop-ups to be displayed from a trusted website?

The Security Manager Pop-up Blocker will stop web sites from opening unwanted Internet Explorer windows (pop-ups). Some web sites may require pop-up blockers to be disabled in order to access certain information. To allow pop-ups from specific sites, follow the instructions outlined below.

In Internet Explorer make sure that the Security Manager Popup blocker is viewable by selecting View from the top menu, Toolbars from the drop down list and ensure there is a check next to Security Manager Popup Blocker. In your Internet Explorer toolbar the Security Manager Popup Blocker can be identified by its button. 

Open the web page you wish to allow pop-ups for, and then click on the Security Manager Popup Blocker button once. The text of the button will change to Site pop-ups Allowed. 

You will now be able to view pop-ups for that specific web site.