If you get an error from Game Guard while your in-game or even starting it up, send an email to firstname.lastname@example.org containing all your .ERL files in your Game Guard folder. Tell them your problem with cabal and they will send you a pretty fast response.
For further information on sending your .ERL files, refer to the link below.
Pretty straight forward and i'm sure many of you have tried it. Just putting it out there as I am sure some of you will look at this and try it.