[MRGTB]

also try this if your vbindex.php file is in your forums folder. Which is were I put mine.

define('CHDIR_PATH', '/home/password/public_html/forum');

The "password" bit is the password you use to log-on to your servers CP Panel were you create a database and have your CP Tools

The "forum" bit is the name of your vbulletin folder than contains all the forum files.

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If you store the vbindex and vbconfig file ikn your root directory, try this.

define('CHDIR_PATH', '/home/password/public_html');