The other source was a tip you may wish to test: https://resources.imaginit.com/support-blog/multiple-job-queue-errors-occur-during-pdf-create-jobs "The third error responds to designating Inventor as the handler for processing files in the Job Processor rather than using the Inventor server that installs with the Vault client. This solution involves adding this phrase "<add key="UseInventorApplication" value="1"/>" to the <appSettings> section of the JobProcessor.exe.config on the host for the Job Processor that is located here: C:\Program Files\Autodesk\Vault Client 202X\Explorer\JobProcessor.exe.config."
