After I win a battle when the battle ends and it's loading back to the map I get a CTD.

I run windows Vista playing SS6.4.

20:30:09.676 [system.rpt] [always] CPU: SSE2
20:30:09.676 [system.rpt] [always] ==== system log start, build date: Aug 3 2007 version bld-medieval2-kingdoms-104 (45562) ===
20:30:09.676 [system.io] [always] mounted pack packs/data_0.pack
20:30:09.676 [system.io] [always] mounted pack packs/data_1.pack
20:30:09.676 [system.io] [always] mounted pack packs/data_2.pack
20:30:09.676 [system.io] [always] mounted pack packs/data_3.pack
20:30:09.676 [system.io] [always] mounted pack packs/data_4.pack
20:30:09.676 [system.io] [always] mounted pack packs/localized.pack