As Panther says, he needs a saved game to diagnose what happened.
Indeed, the scenarios mentioned have been working flawlessly for years and in countless games.
The savegame helps identifying what happened in the specific game.
I know of no plans to make another computer version of A&A. However, there are several organizations that host on-line play of various types, including GameTable Online and AAMC. A Google search should turn most of them up.
Personally I’m too lazy to do all the typing required for forum PBEM, plus I can’t the get software to work right, so I prefer TripleA PBEM. TripleA is also the best for minimizing human error (ie map mistakes).
On the other hand, ABattlemap will probably be the first to have a AA40P module. You will just need to download the Battlemap utility and the relevant maps.