The game keeps crashing whenever I try to get onto one of my saves, even a brand new one, and if I try to get onto a server it pings forever even on older versions

The game keeps crashing whenever I try to get onto one of my saves, even a brand new one, and if I try to get onto a server it pings forever even on older versions

What I expected to happen was...:
The game to work for my to play on it.

What actually happened was...:
It kept/keeps crashing

Steps to Reproduce:
1. Login
2. click singleplayer/multiplayer
3. Game crashes/pings forever