[tor-bugs] #9790 [TorBrowserButton]: The Torbutton startup observer component is sometimes not initialized

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#9790: The Torbutton startup observer component is sometimes not initialized
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 Reporter:  gk                |          Owner:  mikeperry
     Type:  defect            |         Status:  new
 Priority:  critical          |      Milestone:
Component:  TorBrowserButton  |        Version:
 Keywords:                    |  Actual Points:
Parent ID:                    |         Points:
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 The symptoms of the problem is the info message: "While creating services
 from category 'profile-after-change', could not create service for entry
 'StartupObserver', contract ID '@torproject.org/startup-observer;1'" It is
 quite difficult to reproduce. But the best step I have found so far is
 clicking on New Identity while loading a page (sounds strange, I know).
 Then even after closing and restarting Tor Browser the component is not
 initialized. One can "reset" that behavior surprisingly if one updates an
 extension (at least updating Torbutton solved the problem for me).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9790>
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