[tbb-bugs] #27411 [Applications/Tor Browser]: Security slider is broken in second RC for Tor Browser 8 on Windows

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#27411: Security slider is broken in second RC for Tor Browser 8 on Windows
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 Reporter:  gk                        |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Immediate                 |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  TorBrowserTam201809       |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Changes (by gk):

 * cc: ma1 (added)


Comment:

 In #27401 we moved adding the message listener to an earlier point during
 start-up as NoScript seemed to send its "startup" message before the
 listener got added. We chose the startup-observer and added the message
 listener essentially after receiving the `profile-after-change`
 notification. That fixed the problem on Linux and I think on macOS as
 well. However, on Windows we still hit this.

 I see a message in the console indicating that the listener got set up.
 But we never reveice a message from NoScript. It seems we can't start the
 message handler much earlier, so I wonder what else we could do. Adding
 Giorgio, maybe he has some ideas.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27411#comment:1>
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