While in Beta, we only support Fire Fox 3.x and Internet Explorer 7. If you are using a different browser and find a solution to this problem, please send us some information so that it can be added here
Fire Fox 3.x
Enable 3rd party cookies. Go to Tools->Options go to Privacy tab and check mark 'Accept third-party cookies'
Internet Explorer 7
You must allow Third-party cookies or, add http://www.realmofempires.com/ as a trusted site.
Under Tools->Internet Options, go to Security Tab
There you can add http://www.realmofempires.com/ to trusted sites:
OR, go to Privacy tab
There either lower the security level to High or lower OR, click Advanced and enable third-party cookies