The imps_coop_fix_v1.zip file you have requested: Mods / Multi Player / Imp's Co-op Fix - 13.14mb is not available. Perhaps try browsing all files for the game Aliens vs. Predator 2 and upload any files you want to share or are missing. This is the only information we could locate:
The Folder Impcoop contains a few sample levels from the marine single player campaign just so you can try it with some friend. Place Impcoop folder in your main avp2 directory, once placed run avp2, when the splash screen appears click options and place -rez impcoop and run the game. You can either run the maps in TDM or overrun, if your setting it to overrun make sure you set the time limit to 0 and set the lives to whatever you want.