attempting to authorize my pc to watch my apple tv movies it keeps saying your password has changed

I'm trying to watch movies on my PC, I can log into the account just fine, but when it comes to authorizing the account, it gives the error at the bottom every time. I even logged out of all 3 apps. deleted them. Downloaded them again one by one. Opened and logged into Apple TV. ALL my movies came up. Attempted to authorize... still got the message. SO, I logged out ALLLL over again. CHANGED my password via my iphone, logged back in to Apple TV. Went to authorize.... You guessed it... NOPE! Same error. PLEASE help before I Summit1G my Monitor!