Quick question. I have some categories that I want to change their name. How can I do this?

By going into the config wizard and select each one seperatly and changing the categories name...

So you can't just change it once and all apps in that category automatically be changed? How do you delete the old catagories?

You CAN use and app that has replace all option and open config.js with it and replace all.

When you change ALL of the apps category entries it will not show up anymore. WPI reads the config.js and gets all the categories as it runs everytime.