Go to appdata and then go in local
Once in local go in Virtual Store
Once in virtual store go on program files
Once in program files go on Codemasters
Once in Codemasters go on Operation Flashpoint
And there is your users folder :)
I found this out the hard way :(
I know this is probly so old you wont read this or you dont want to play but if anyone comes by they'll know now :)
(Win7)
If you dont know how to get to appdata then google it, its easy.