The ui_final_plus.rar file you have requested: Modifications / Total Conversions / CMT UI - 2.66mb is not available. Perhaps try browsing all files for the game Halo: Combat Evolved and upload any files you want to share or are missing. This is the only information we could locate:
The people at the Custom Map Team have created an awesome total conversion of Halo PC to Halo CE. They converted the entire campaign, added things such as the Halo 3-styled assault rifle, silenced weapons, new pelicans, warthogs, and a drivable wrait This is the custom user interface for the CMT mod. This is not needed to play the mod.