Launcher Version: Launcher Build #378
Operating System: iMac OS X 10.9.1 Mavericks
Java Version: Java Version 7 Update 45
Antivirus Program: None
Description of Problem:
When i try to go onto a pack it just closes right away and doesnt let me open the pack.
Error Messages:
Error Unzipping a file for the following pack
error in opening zip file
please consult the modpack author
Error Log: