Quote Originally Posted by DurrlToneGuy View Post
........ -but somewhere they were saying that this is supposed to be content from MY nuvi, inclusive of licensing, serials, yadda yadda yadda?
The file GUPDATE.GCD is usually on-board in the (usually hidden) .System folder, but it's not always present. You can unhide protected system files and other hidden files and folders in Windows via Control Panel>File Explorer Options (or Folder Options depending on OS version)>View.