Do you have the official patch installed?
Do you have the unofficial patches installed?http://www.axisandalliesworldclub.net/downloads/Latest/AAStarterPack60.exe
(includes official patch)http://www.axisandalliesworldclub.net/downloads/drawfix(3.82).zip
I don't recall ever having that happen to me.
You can try to run your saved game thru the Starterpack's corruption fixer
If your game is all patched up then if you post the (auto) saved game somewhere
I'll take a look at it
For really long games people sometimes have to rebuild the board with the editor if they can't continue