Login Problem With My AMP Account

Dear All,

recently,I changed my email and password for my AMP account

from [email protected]***********.com to [email protected]********.com and password 
after changed the password and email

after successfully login I  saved my login info to my AMP account

but now i can not login to my account and I;m sure about login info

I tried to click on I don't remember my password but its not work  

can you please help me and how i can get me domain or Cpanel user name

I have tried all likelihood