are u a noob? why would ppl post ibf files...its only a side effect to the forums cuz an error happened just follow my instructions and ull be fine:
1.Download the ibf file u want to use.
2.Rename the file, and erase the .ibf and replace it with .rar.
3.Open the file (default should be WinRar) and ull be fine!
Link-

(i would post the full cracked version, but its against forum rules to post cracked copyrighted material)