When I go to sign into iTunes store it says Enter the Apple ID password for------ it is supposed to be email address@yahoo.com but when I input the email address@yahoo.cpm instead of .com I put .cpm and now I can't get in to itunes because it doesn't recognize .cpm Is there any way to change...

Hello to everyone. I am having a problem but I will post to the proper place. Thank you for the help I know I will get in the future.