I downloaded a texture pack and tried to go on Minecraft to check it out. And now, it always crashes and I don't know why!

Put the summary of the bug you're having here

What I expected to happen was...:
A clean no-bug texture pack so I could check it out on Minecraft.

What actually happened was...:
It crashed multiple times

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