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This is likely because you have installed the same software from multiple locations (Autodesk app store and Revolution Design website).  Unfortunately the two use different install technologies (Autodesk builds the app store installs on their own technology) so the two installers don’t “know about” each other.  That means that installing a new build from the website does not uninstall app store builds and vice versa.  The best way to deal with this is simply to uninstall the app store build through Windows add/remove programs and use the website build as that’s usually the most up to date build.