Whatever the process, my beloved bookmarks had been restored.
Still, the first time Chrome ran after the restore, it wasn't all that happy. As you can see below, it didn't think it had shut down correctly, the Chrome menu was orange and it wanted me to sign in again.
The heck with that - the first thing I did was backup the newly restored bookmarks to an HTML file. The process is simple (see Import or export bookmarks) and, needless to say, I'll be doing it more often.
Some of the YouTube comments note that this approach does not work on Windows 8. I mostly avoid Windows 8, but a HowToGeek article from May 2014 confirms that Windows 8 Restore Points no longer include user files.
Days later, I realized another way to restore the bookmarks - from an image backup. As someone concerned with Defensive Computing, I make periodic image backups of the machines I maintain. As a rule, image backup programs let you view the files included in a previous backup and copy them from the backup to a computer.
I conclude with some words I never expected to write: thank you Microsoft.
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