Eyeofstorms

Launcher Version: 365 Operating System: Windows 7 Home Premium 64bit Build 7600 Java Version: 64bit version 7 update 45 Antivirus Program: AVG (currently Disabled) Description of Problem: I can NOT launch following mod packs Tekkit Hexxit Voltz Big Dig i CAN launch Tekkit Lite Tekkit Classic Yogbox Hack/Mine Vanilla Error Messages: error unzipping a file for the following pack: Voltz invalid bit length repeat Please consult the modpack author Error Log: no logs are being generated