Hexxit won't even open when i start the launcher

[Ashero]

Title: Hexxit won't even open when i start the launcher

Version: 1_0_4

OS: Windows

Java Version: Java 7 Update 45

Description of Problem:

When I open the Technic Launcher, Hexxit doesn't open when I click on it and press play.

Error Messages:

Error unzipping a file for the following pack: Hexxit

error in opening zip file

Please consult the modpack author

Error Log:

There is none