Put the summary of the bug you're having here
What I expected to happen was...:
Describe what you thought should happen here
What actually happened was...:
Describe what happened here
Steps to Reproduce:
1. go into 1.8
2. ...get out of 1.8
3. ... go into 1.7 and crash
Environment
OS: Windows 7 (ver 6.1, arch amd64)
Java: 1.7.0_60 (by Oracle Corporation)
Launcher: Minecraft Launcher 1.5.3 (bootstrap 4)
Minecraft: 1.7.10 (updated Thu May 15 03:29:23 EST 2014)
This issue is a duplicate of MC-38527. It has been linked to the original bugreport.
Please search before reporting any bugs, as it's likely that one exists already.