When i start minecraft , i am loging in and then when i click play nothing happens . Halp plz

Since there's no response to this in over 2 weeks, I'll close this now. If you still have this problem, open up a new issue, and please provide logs next time.

Logs or it diidn't happen.
(.minecraft/logs/fml-client-latest.log, post it on https://gist.github.com and give us the link)