Halo Update 1.10
Updating Halo to 1.10 so you can still play after the Gamespy Server list shutdown
If you have Halo Portable:
Installation: Simply extract the archive to the Halo main folder, and overwrite the existing files.
If you get error message when you start Halo, install this: http://www.microsoft.com/en-us/download/confirmation.aspx?id=5555
If you have Halo Installed
Installation: Simply download the file and run it. Click accept if it asks if you want to run this file.