Put the summary of the bug you're having here

What I expected to happen was...:
I just downloaded minecraft for the first time on my current computer. I have downloaded it on this computer before. i expected to install and play normally.

What actually happened was...:
what happened was that my game crashed on startup claiming i should use a different resource pack. I have none downloaded since this is my first startup. It continued to have this error no matter how many times i tried and reinstalled the game.

Steps to Reproduce:
1. download minecraft
2. install
3. click play
4. watch minecraft 1.8 not respond
5. witness crash report

note: I have tried allocating more ram and it claims the same thing. my computer has more than enough ram to run mc and i dont know what to do.