Crash

I'am playing on MC 1.7.9 for first time and i try to join a server and then I crash. I try it again and it crashes again and agin..

What I expected to happen was...:
I thought It will join a server

What actually happened was...:
I crashed 3 times

Steps to Reproduce:
1. ... Turn on minecraft 1.7.9
2. ... Try to join a server
3. ... Crash happend

P.S.Version is not 1.8.1! It is 1.7.9