Error unzipping a file for the following pack: Tekkit Lite

[GordonFBR]

Title: Error unzipping a file for the following pack: Tekkit Lite

Version: 0.5.1

OS: Windows 7

Java Version: 7

Description of Problem:

Every time i try to open Tekkit Lite i get the error:

Error unzipping a file for the following pack: Tekkit Lite

error in opening zip file

Please consult the modpack author.

I have used the .jar launcher and the .exe launcher and it's the same for both.

Error Messages:

Error unzipping a file for the following pack: Tekkit Lite

error in opening zip file

Please consult the modpack author.

Error Log:

[GordonFBR]

The version of Tekkit Lite is supposed to say 0.6.5 but that wasn't on the list.