This is just in case you need to bring back your old settings.
Download the Arousor installer from and reinstall the Arousor.Open Pro Tools so it recognizes that the plug-in is gone and then close Pro Tools.
Select Arousor.aaxplugin and delete it either by clicking and dragging it to the Trash or right clicking it and selecting Move to Trash.Enter /Library/Application Support/Avid/Audio/Plug-Ins and click Go.
Go to !license-manager to download the latest version of iLok License Manager. See the activation guide on the downloads page for more information If you are getting any kind of authorization or validation errors either when you try to launch your DAW or use the Arousor, make sure the Arousor is properly activated to your iLok generation 2 or higher USB dongle and it is plugged into your computer.