If you have installed a pptXTREME add-in, and clicking on the tools does nothing, then there was a problem loading the add-in.

First Check the Security Settings.

If your security settings appear to be correct and the add-in is still not loaded then select the problematic add-in from the COM Add-ins List (How can I see a list of COM Add-ins that are installed?) and report the error description to help@pptXTREME.com.