Yes i think i can help, I was getting the same error message, the pf on-line forums have the answer to this problem. They want you to be sure that the rts,dll file is installed in the game as well as in ubi. I have had this game for over a week and have yet to play it. I also have not been able to complete the install. I was able to get past the problem you are having. You can find the answer to this question on the game site on the left side of home page under forums. Good luck from: par4miker@msn.com