What I expected to happen was...:
i could play minecraft normally on 1.7.9
What actually happened was...:
my minecraft crashed if i play on 1.7.9
Steps to Reproduce:
1.change the version of minecraft from any version to 1.7.9
2.try connecting to any server or try opening a single player world
Environment
OS: Windows 7 (ver 6.1, arch amd64)
Java: 1.8.0_25 (by Oracle Corporation)
Launcher: Minecraft Launcher 1.6.5 (bootstrap 4)
Minecraft: 1.8 (updated Mon Apr 14 16:29:23 IDT 2014)
Thank you for your report.
However, your ticket has been resolved as a duplicate.
This issue has been linked to the original bugreport: MC-38527. You can find or add further information on that report.
Please search before reporting any bugs, as it's likely that one exists already.