Forscan - Pcm Update A valid FORScan Extended License is required for programming functions. 2. Pre-Update Preparation 2017 Ford F-350 6.7 PCM Updates Using FJDS & Forscan
There is a known issue with installing custom plug-ins in version 5.3.0 , the workaround for that is in the release notes
http://www.oracle.com/technetwork/java/javase/jmc53-release-notes-2157171.html#jmc2879