phpwcms Support Forum

Please take a look:
http://kiansound.com/include/inc_act/act_phpinfo.php

I've double (triple, quadruple) checked my permissions. If I change the permissions on the phpwcms.php file to anything but 644, the server has a little meltdown and gives my a :
500 Internal Sever Error. The server encountered an internal error or misconfiguration and was unable to complete your ...

I'm using version 1.3.3

and filearchive folder is 777

Everything seems to be working but in the file centre I keep getting this error:
You don't have permission to access /news/phpwcms.php on this server.
when trying to create a new directory in the root.

WTF - I've exhaustively searched the forum, but to no avail. Any ideas??