zero498

Launcher Version: #382 Operating System: windows 8.1 Java Version: Version 7 Antivirus Program: Description of Problem: when ever i try to open any of the mod packs an Error message comes up. Error Messages: Error unzipping a file for the following pack: voltz. Error in opening zip file. please consult the modpack author. Error Log:

when ever i try to open voltz this Error comes up:Error unzipping a file for the following pack: Voltz. error in opening zip file.please help.