Mightg be coincidence, but I wasn't able to load when I played custom faction & sovereign (it hung, but I didn't check memory before I killed it), but it loaded just fine when I played the built-ins.
xp sp3, 32-bit, 3gb ram.
No dump file. The last several lines of the debug file are:
Debug Message: WARNING: Elemental Sub Pack 'K_Soldier_Mounted_Warg_AttackSpearKill_Animations' was set to unrecognized animation type: 'AttackSpearKill'
Debug Message: WARNING: Elemental Sub Pack 'K_Soldier_Mounted_Warg_AttackBowKill_Animations' was set to unrecognized animation type: 'AttackBowKill'
Debug Message: Campaign Def is overwriting an opponent at ID 1.
Debug Message: Campaign Def is overwriting an opponent's leader at ID 1.
Debug Message: Campaign Def is overwriting an opponent at ID 2.
Debug Message: Campaign Def is overwriting an opponent's leader at ID 2.
Debug Message: Campaign Def is overwriting an opponent at ID 3.
Debug Message: Campaign Def is overwriting an opponent's leader at ID 3.
Debug Message: Campaign Def is overwriting an opponent at ID 4.
Debug Message: Campaign Def is overwriting an opponent's leader at ID 4.
Debug Message: Campaign Def is overwriting an opponent at ID 5.
Debug Message: Campaign Def is overwriting an opponent's leader at ID 5.
Debug Message: Faction Ability RaceType is Unknown: Being Purged from Ilyan Orekeepers
Debug Message: Faction Ability RaceType is Unknown: Being Purged from Settlers of Lujhahn
Debug Message: Faction Ability RaceType is Unknown: Being Purged from Polapel Mystics
DebugMessage: LoadCoreXMLData finished
DebugMessage: Create setup screens.
Debug Message: Started Load Game XML Thread
DebugMessage: LoadGameXMLData
DebugMessage: No string tables in C:\Games\Stardock\Elemental\Data\English\*.tips
DebugMessage: Set mouse.
DebugMessage: Set update timer.
DebugMessage: Popup Manager Update: Unhiding FullScreenBink
DebugMessage: Popup Manager Update: Unhiding LoadWnd
Debug Message: LOAD GAME: Loading Quick Data
Debug Message: Finished Load Game XML Thread