Could be the problem part of the problem.
September 17, 2008
Aces High II: Version 2.13 Released The 2.13 release of Aces High II is ready.
Check the information page for more details concerning this release and, optionally, information needed to manually update the game.
As a reminder, if you are running a software firewall, and cannot connect after the patch is installed, you need to re-allow the game back through your firewall.
If you are running Windows Vista, you may need to manually download and install the update or run the game as an administrator for the game auto-updater to work properly.
The high resolution texture package has also been updated. If you are using it, then you must update your texture package as well.