Looking for support for Supreme Commander? Here is the list of where you need to go depending on what sort of problem you are experiencing:

General Game Support
        http://info.thq.com/support/

SecureROM
    Authentication issues.
        http://info.thq.com/support/

Direct-To-Disk
   Online purchase installation issues.
        http://info.thq.com/support/

Supreme Commander Tech Support Forum
    Troubleshooting discussions and FAQs for
    Supreme Commander.
        http://forums.gaspowered.com/index.php?c=3

GPGnet Support
    Please see our GPGnet Forums for GPGnet-    specific support.
        http://forums.gaspowered.com/index.php?c=6