This is weird. When using the Decrypter supplied with the CCMod it wouldn't work but in your link there's an .4.1 version of the decrypter that will decrypt the files.It may just be taking a while to load on your computer. Depending on your hardware and what else you have running it can take some time for a larger file to load, and it doesn't give any indication that it's loading anything. It has a popup when the file is loaded and then you can select to decrypt the files.
Also, I assume that you're usingYou must be registered to see the linksand not something else for decryption.