Right-click the Speedster icon
Click Pop-Up Blocker...

Click the Logging tab
This window shows the pop-ups that have been blocked
To add any web site in the list to your White List, right-click on the domain name and click "Add to Whitelist"
The web site will be removed from the Log and added to the White List
Click the Clear Log button to clear the list of web sites blocked
Click OK when done