Database Connect Error (1045) Access denied for user 'Main300'@'localhost' (using password: YES)

You need to set your database connection in vsadmin/db_conn_open.php

For help setting your database connection please see...
http://www.ecommercetemplates.com/phphelp/ecommplus/instructions.asp#dbconn

We also have a support forum here...
http://www.ecommercetemplates.com/support/