We do not do anything to your .htaccess file. That is something only your host can help with.
To upgrade your forum account, use the "upgrade account" link on the left here:
Fill in the transaction ID that came with your genesis purchase.
These forums were CLOSED to new posts on November 19th, 2012. New forums are here: http://www.studiopress.com/forums/
and you will need to SIGN UP AGAIN.
If you need assitance with setting up your theme, go to http://my.studiopress.com/
and read the SETUP links or the TUTORIALS link on the side tab.
If you need Account Assistance
, file a help desk ticket at the same location.