toothpaste

Hi, yesterday I received a game from amazon. The game is Dave Mirra's BMX2 or something and ever since I put it in the slot, I've had nothing but trouble, and constantly searching the internet for solutions. I turn the gamecube on and it does it's BIOS and gets through the logos and intro(s) and...

Ok, so I have been pretty upset, as my Halo 2 disc was scratched by my friends Xbox 360, and it had a scratch all the way around. I looked up a solution, and I read that rubbing toothpaste on the back of the disc (to fill in the cracks, i suppose?) will fix the disc. Alas, I rubbed some Crest on...