Is it possible to recover a corrupt AdminDirector.xml file?

The AdminDirector.xml file in my current administrative image folder (for SW2016 SP2) got corrupted and will not allow me to run any more installs. I tried copying the AdminDirector.xml file from the previous service pack's admin image folder and it won't accept that version.  Short of recreating the entire admin image, does anyone have any advice on recreating the AdminDirector.xml file?

Thanks!

SolidworksAdministration