This procedure will work for any Slate Digital products including VMR, VBC, VTM and FGX:
1) Please open Finder and remove any folders and versions of the plugins you want to reinstall from here:
RTAS: /Library/Application Support/Digidesign/Plug-Ins
AAX: /Library/Application Support/Avid/Audio/Plug-Ins
ESR Files: /Library/Application Support/Slate Digital
.XML Files: /Users/<Your Admin Name>/Library/Application Support/Slate Digital
2) Now restart your computer and install your intended version of the plugin. You can find all the installers including legacy versions by clicking here.
3) If you still have ESR errors, version mismatches, or any other type of support issues, please make a ticket here: http://www.slatesupport.com/