I suppose that your profile is corrupted by a plugin obviously by
qgis_resource_sharing
You can start with a new profile or you can try to delete the plugin
directly from your profile path:
Go to the folder:
C:\Users\daves\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins
and delete
I have not needed to consult the QGIS users Mailing List for some time, but
after changing my computer I had an issue with loading 3.16.11 to the new
machine. Upon opening an existing project QGIS omitted to display the
thumbnails of recent projects and flagged an issue with Python. If anyone
can
