Hi Keithy,
Thank you for the quick response and confirmation. The customer
had two eMail profiles mixed together too.
C:\Apps\MTB email files\Thunderbird\Profiles\swbr62cq.default
and
C:\Apps\MTB email files\Thunderbird\Profiles\Mail
Her correct "Local Folders" were in "Mail\swbr62cq.default", but
everything else was in "Mail".
So, after some detective work, I unscrambled everything,
moved her profile back to "AppData\Roaming", and corrected
all the paths in prefs.js.
Happy camping has returned.
-T