System:win7 64 flashship vision:V20 play time:19hours I am a chinese player,sorry for my poor english skill, but I will do my best to make this bug clear. firstly, I accepted a Alien base mission in soviet union,the crash happend,when my team finished the mission back to he HQ encounter a medium size ufo. the game can go on and no crash happen, after to aborted this alien base mission. come on hlep me I got a lot of alien killed ,and got massive alien weapon,please!