I have the steam version of New Vegas and 3 of the DLC's but when i run Fomm it show 2 of my DLC's in the Mod Index as NA and when i tick the box for that DLC it say something bad has happened and gives me a crashdump, i have reinstalled the game several times and have reinstalled steam and placed in a different location then orignaly like i have read in the forums but i still have the same problem. Please can someone help.