HAC2 client-side Halo CE Custom Edition and PC Combat Evolved Extension
This extension supports server bookmarks, map downloads, automatic updates, and a lot of other modifications to the basic Halo client.
Installation is easy now, with a NSIS installer to copy loader.dll into the Halo controls folder.
It is my intention to continue supporting Windows XP for as long as I can. However, there are some issues with Windows XP, especially when updating the loader. If you have issues, you can find HAC2_loader_install.exe in the Downloads folder in Documents\My Games\HAC2 and run it from there.
Post install configuration for HAC2:
HAC2 release notes