you need to open security properties...the easiest way to do this, is to double click the tiny planet icon that's on the bottom right of your browser...then hit security, then hit restrickted sites.
now paste the following sites...include the little *...this is a wild charachter, so just include it;
*.valueclick.com
*.valueclick.net
*.phase2media.com
*.admonitor.com
*.admonitor.net
*.190.com
*.flycast.com
add to list as needed