Bethesda Softworks Fallout 3 for Xbox 360 "saying cant play screen" Questions

...WE ARE AND THE SCREEN KEEPS GOING BLACK AND CANT GET BACK IN TO THE GAMES HAD TO TURN IT OF AND PLAY A DIFFERENT GAME .IT ASLO FEEPS SAYING EXIT Its possible that you have a weak internet

saying download to hard drive. and i did it. And it says to clean the disc. And the disc is brand new. I dont know if its the xbox or the game. And before i could play but a little. i coulden't really

play for more than 5 minutes without the game freezing or a screen coming up that says cant read disc. Im a computer savvy guy generally, and this has me at wits end! your about to get the red ring of

cant play private matches on xbox live withe freinds on supreme commander when i send a invite to my freind to play a online 2v2 private match it says on his screen please insurt the supreme commander

...saying it could not read the disc. All of this stuff is brand new too...should I just get a new game or is it the xbox itself? This will surely lead to the red ring of death people are talking about, ...