Ok, I have not even started setting it up yet. I uploaded all my files like I have done many times before, went to the http://www.domain.com/index.php and this is what I get?

This page cannot be displayed due to an internal error.

If you are the administrator of this site, please visit the XOOPS Troubleshooting Page for assistance.

Helpful infomation you should provide while asking for assistance:

Error [Xoops]: Unable to connect to database in file class/database/databasefactory.php line 34

First, make sure all files uploaded successfully.

Try going to yourdomain.com/install/index.php