[LOGIN FAILED. CHECK YOUR INFO]

when i lauch the launcher there's no problem. but when i try to login, i submitted the right email address, right password. but then "login failed. check your info" pops up. i tried changing password, and i made sure i submitted everyting correctly. but still cant login. i look'd up for solution, which is to use a vpn. and it works, but i just cant keep on playing with vpn. all my friends dont have this issue. pls tell me why i cant play. my email addres is d***********o@gmail.com. i try the restart router solution, i tried the services properties, etc. PLS FIX