[tbb-bugs] #24764 [Applications/Tor Browser]: OSX 10.13.2 (17C88) - Instant crash on startup

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#24764: OSX 10.13.2 (17C88) - Instant crash on startup
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 Reporter:  thomasd3                  |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Major                     |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by Dbryrtfbcbhgf):

 Replying to [comment:4 thomasd3]:
 > Here is a screenshot from the console: https://imgur.com/a/67dbb
 >
 > It shows a crash related to the touchbar on the macbook pro.
 > It is the same error coming up every time I launch Tor.
 >
 > I ran the same version of Tor on my other mac, which doesn't have the
 touch bar, and it works without any problem.
 >
 > It looks like Firefox is looking for a class called
 'TitlebarAndBackgroundColor', in the emoji toolbar service, which doesn't
 exist; I'm with >High Sierra, all up to date.

 Download https://www.mozilla.org/en-US/firefox/new/?scene=2 and run it, if
 it does not crash follow the directions below.

 http://mozilla.github.io/mozregression/

 You should only need to run the following commands in a Terminal window to
 use mozregression:

 sudo easy_install pip
 sudo pip2 install -U mozregression
 mozregression --find-fix --good 57 --bad 56

 A number of Firefox versions will open in succession to narrow down when
 this was fixed. Simply type "good" or "bad" in Terminal based on whether
 or not a build reproduces the bug.
 Credit for directions
 https://bugzilla.mozilla.org/user_profile?user_id=456485

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24764#comment:5>
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