General Information  • For information on starting a warranty claim for Guitar Hero World Tour drum kits, guitars or microphones, please call 1-800-229-6306 or 1-800-205-4713  • For information on how to check the status of your Guitar Hero Warranty claim click here.  • New Game Help Sections: Call Of Duty: World at War PC Call Of Duty: World at War Xbox 360 Call Of Duty: World at War Playstation 3 Call Of Duty: World at War Nintendo Wii Guitar Hero: World Tour Nintendo Wii Guitar Hero: World Tour PS3 Guitar Hero: World Tour XBox 360  • Patches: Call Of Duty: World at War 1.1 patch. Call Of Duty 4: Modern Warfare 1.7 patch.      Welcome to Activision Customer Support   Click here if you need a replacement for Guitar Hero: World Tour product. If you are in Australia or New Zealand please use this link.   Click here for help with products like Call Of Duty, Kung-Fu Panda, and titles previously released under the Sierra brand.   Click here for technical help with Guitar Hero and other Red Octane products.   Click here for help with products from the Barbie, Rapala, Cabela, and World Series of Poker licenses.   Click here for help with Blizzard products like Warcraft, Diablo, or Starcraft.   Click here to see if your PC system will run Activision's most recent titles