Thread:Project:Support desk/Cannot save preferenences

Attempting to save prefs to a different skin, I am met with Forbidden - You don't have permission to access /wiki/Special:Preferences on this server on my own wiki, and I'm the admin. Another user (who happens to own the hosting company) doesn't get this error. This occurred after upgrading to the current version today. I don'thave any user pref options disabled in localsettings.php. Any ideas anyone? It is driving me nuts.

Installed software MediaWiki 1.24.2 PHP       5.3.29 (cgi-fcgi) MySQL     5.5.42-cll

My wiki is at vanslyck.us but, please, it is not user editable. If you truly want to dig I can create a user account. I think.