Ask them what version of mysql they have you on and the php version just for reference if anything.
The test settings in the control panel ive not always found them reliable.
Ive had fails on directory tests but still works fine (log file directory in my case).
I just had a go at registering and this is what i get without entering any details and just hitting submit after the i agree page.
Forbidden
You don't have permission to access /forums/ubbthreads7/ubbthreads.php on this server.
Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
