THIS HAS BEEN FIXED.
Launcher Version: 221
Operating System: Windows 7 Home Premium
Java Version: Java 7 Update 17
Antivirus Program:
Description of Problem:
Whenever i try to launch yogbox, (By my guess, this would happen with all other modpacks) A error message pops up. If you look at it closely, it will say my minecraft installation has been cleaned. so I tried to force update my regular minecraft, but it still happens.
Error Messages:
Your Minecraft installation is corrupt, but has been cleaned.
Try to log in again.
If that fails, close and resart the appication.
Error Log: