Return of Reckoning

i can get past the login screen but when it gets to the screen that gives you options and credits and stuff it does this



omg i can't even add the picture, it's in discord

That's four times in a row it's kicked me now

I just got kicked off the discord for no reason

can anyone help me with this problem
i keep getting an error that says
"Authentication failed -- application will now terminate"
can anyone tell me how to fix this?