[tbb-bugs] #18928 [Applications/Tor Browser]: Mac OS: alpha channel upgrade is not smooth

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#18928: Mac OS: alpha channel upgrade is not smooth
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     Reporter:  mcs                       |      Owner:  tbb-team
         Type:  defect                    |     Status:  new
     Priority:  High                      |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Normal                    |   Keywords:
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
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 On Mac OS, when I upgrade to Tor Browser 6.0a5 from an older version, it
 does not go well. After applying the MAR update and restarting, tor is not
 started and Tor Launcher displays this error:
   Unable to start tor

   The Tor executable is missing

 Quitting and restarting a second time seems to fix the problem.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18928>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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