Game crashes

[Forgotten14]

Civ 4 is very stable for me and runs very good, but when ever i load a save game and i get into the game it crashes after 1st turn. Any idea how to fix that or what is causing this ?


My pc is :
P4 2.4Ghz
1gb ram
6600gt 128mb
Win xp pro sp2

and Civ 4 is updated to 1.52

 

[Forgotten14]

Here is my dxdiag also.