MyBB Hacks

I have a problem. When people log in to my forums they get redirect to htt://example.com/portal.php.( I renamed portal.php to index.php) so they get a Not Found error. Any way to fix this?


Also how can i make my logo redirect people to http://example.com/forum.php instead of http://example.com/index.php.

Thanks
-incadudeF

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Update: Fixed the problems