Confirmed there's need to mess with services.And probably not the answer you want to hear, but I had to restore Windows (user settings preserved) in order to get past the dreaded sync error.

via Event Viewer when trying to start Oculus Lib service manually: The Oculus VR Library Service service terminated with the following service-specific error:"There are no more files."via Event Viewer when dreaded "Can't reach Link service" error on ...

Meta Quest Link app Status "Can't reach Link service"Had it all running fine, then my computer shutdown ungracefully and on restart I'm getting the dreaded message and nothing works... restarting, repair, uninstall and reboot and reinstall, laying on...