No Launch!

[_SNORLAX_]

Title: No Launch!

Version: 1_0_4

OS: windows 7

Java Version: version 7 update 40

Description of Problem:

Hexxit will not launch, in the console it says

"java.util.zip.ZipException: error in opening zip file

at java.util.zip.ZipFile.open(Native Method)

at java.util.zip.ZipFile.<init>(Unknown Source)

at java.util.zip.ZipFile.<init>(Unknown Source)

at java.util.zip.ZipFile.<init>(Unknown Source)

at net.technicpack.launchercore.util.ZipUtils.unzipFile(ZipUtils.java:134)

at net.technicpack.launchercore.util.ZipUtils.unzipFile(ZipUtils.java:114)

at net.technicpack.launchercore.install.ModpackInstaller.installOldForgeLib(ModpackInstaller.java:109)

at net.technicpack.launchercore.install.ModpackInstaller.installOldForgeLibs(ModpackInstaller.java:98)

at net.technicpack.launchercore.install.ModpackInstaller.installPack(ModpackInstaller.java:62)

at org.spoutcraft.launcher.InstallThread.run(InstallThread.java:54)"

Im not sure where to go from here, any help would be welcome!

Error Messages:

Error Log:

error in opening zip file