The PCPP_1.Challenge.Gbx file you have requested: Maps Levels Missions / PCPP 1 - 17.44kb is not available. Perhaps try browsing all files for the game TrackMania Nations Forever and upload any files you want to share or are missing. This is the only information we could locate:
I made this track for TrackMainaNaitonsForever and TrackMainaUnitedForever. It is a good challenging track, and should be a lot of fun. I hope you like it!