My Graphic card is up to date, since the beginning. I have got precious information about crash report : 2 exception codes, one per crash and the same for both: 0xC0000005 I have got information into the following directory: ../ProgramData/Stardock/Galactic CivilizationsIII
I rushed military technology (in a quick start game) to see what happened next, but after clicking on turn button at the 249th turn, my game crashed :/. I am sure that the game crashed because it's alpha, so i report this problem to fix it :). My Pc is totally ok, it was not the cause of this crash. Yesterday i played too, but in normal game, and i got a crash after 140 turns . If i could help programmers by reporting those problems, i will be happy :)