Well,
First it takes a lot of work to review your permission settings..
You say it is only 3 posts but what forums are they in.
That is what you need to check. all permissions on those particular forums.. For groups forums and site.
It is hard to say since you have modified the code such as moving the login to the header includes and added several items to the main navigation bar..
Plus several function buttons are missing.
Have you modified any other files or items?
Style and language file edits are not a real issue usually.
I tried to register but the capcha is hard to read on my monitor..
Plus I get
The Display Name you have chosen is not the proper length.
even though it is beyond the stated required length 3-16 letters
