The MW2 Configuration Utility (MW2CU) can do so many things for you!
Here is a list of some of the features:
• Create backups! Don't lose your rank/stats to a hacked lobby!
• Join the MW2 Online Leaderboard, uploads your stats automatically!
• Create and play with a new profile!
• Easily fix your game after getting into a modded lobby.
• Customize your ping bars! See up to 10 bars, change colors, etc!
• Disable the in-game music! Listen to your own tunes!
• Change advanced control options that you can't change in-game!
• Create custom control profiles so you and your friends can use different controls!
• Change advanced graphics settings that you can't change in-game!
• Easily update your program with the built in update feature.
• No hacking! No VAC bans! 100% safe!
• And it can do so much more!
Check out the vid below for more information!