The AFF_setup.exe file you have requested: Modifications / Angels Fall First / Angels Fall First version 0.26 - 5.49mb is not available. Perhaps try browsing all files for the game Homeworld 2 and upload any files you want to share or are missing. This is the only information we could locate:
Simple and easy Installer for the AFF Homeworld2 Mod [v0.26]. More information available here; Dendezyn.net This is version 0.26 of the Angels Fall First mod for Homeworld 2 from Alex_Drake.