i cant register

[justin4]

im make my name and password and press start than comes invalid password and i can't play[DOUBLEPOST=1378818352][/DOUBLEPOST]my name is in ftb justin4 i can't start[DOUBLEPOST=1378818411][/DOUBLEPOST]my name is in ftb justin4 i can't start

 

[Eyamaz]

You need to have a valid minecraft account with mojang to play. You use your login information for minecraft in the launcher, not your ftb account.