When i tried to log into Hypixel's server it keeps crashing my minecraft i reinstalled it and it still crashes

Put the summary of the bug you're having here

What I expected to happen was...:
I thought I would log in and be fine

What actually happened was...:
It went to Logging IN.. and crashed my MineCraft

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...