Hi Guys,
I've contact X-Cart regarding this issue. But unfortunately they cannot really help. They say they need to investigate the whole script, decrypt it, and after they are done encrypt it again.
They will charge 200 support points for this
With the follow up, I provided the information in my posts above, and they said if they don't need to decrypt the files they will charge ONLY 80 support points.
Still in my opinion this is way to much for a fix which might be quite simple.
Does anybody already came up with a solution. TeleFirma doesn't seems to respond anymore.