5
or you can Re-upload the theme files for whichever theme you're using. Sometimes things get corrupted via FTP upload. First upload phpkaox and set your system preferences to use this theme.
[1] Make sure that the cache, uploads, templates_c directories are CHMOD 777 (anonymous r/w permission on Windows)
[2] Try turning Safe Mode off on the server. (Not recommended as it is less secure).
[3] Double-check the following permissions:
755 - all directories which dont require writing from the web server
777 - all directories which do require writing from the web server
644 - all files which dont require writing from the web server
666 - all files which do require writing from the web server
444 - mainfile.php
when you get the messg when you try to go to your siute look at the trouble shoting page