I'll be adding to this over a period of time so if your question isn't answered here be patient or read this thread: viewtopic.php?t=2365
Problem: I want to show no right menu but there is a space for it on the index
Solution: Visit the ACP -> General Admin -> Configuration and here you will find options for the menus.
Could not query blocks list
SQL Error : 1146 Table 'forum_db.NAV_BLOCKS_TABLE' doesn't exist
SELECT block_id, block_title, block_order, block_pos, block_display FROM NAV_BLOCKS_TABLE ORDER BY block_order
Line : 803
File : admin_xs_navmenu.php
Solution: Edit the file 'includes/constants.php' as detailed in the installation instructions and upload the altered file.