How to edit endnote x9 sync preferences file path location

The sync file path location in endnote x9 preferences is stuck on a path and file that no longer exists.

How do I edit this to the new location on my external hard disk?

Thanks

David

Please contact Technical Support directly so that they can assist you with the sync path issue.

1-800-336-4474 option 4 then 1

or

https://endnote.com/contact/