Upload and replace:
catalog (upload all)/admin/attributeManager/***all content***

Upload new hooks:
catalog (upload all)/includes/hooks/admin/***all content***

Remove all modifications you made to:
- admin/includes/template_top.php
- admin/categories.php

The config file has all additional add-on support switched off.
If your attributes manager config file was modified, apply your modifications on the new file. 

