[tor-bugs] #26514 [Applications/Tor Browser]: intermittent updater failures on Win64 (Error 19)

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#26514: intermittent updater failures on Win64 (Error 19)
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 Reporter:  mcs                       |          Owner:  tbb-team
     Type:  defect                    |         Status:  needs_information
 Priority:  Very High                 |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  TorBrowserTeam201807      |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Changes (by mcs):

 * status:  new => needs_information


Comment:

 I can reproduce the problem with my own ESR60-based build. I started with
 the 8.0a9 tag, changed app.update.url to point to a test server that I
 control, and replaced the udater's MAR signing certificates with one that
 Kathy and I generated. So — minimal changes.

 Kathy and I think we should merge the workaround that we developed (see
 comment:7) until a proper fix inside mingw-w64 is available. If we agree
 on that approach, I will test the workaround in an ESR60-based build and
 make it available in a git repo.

 Is there someone we can ask about the underlying mingw-w64 bug? I am
 concerned about spending too much time on this ticket at the expense of
 other tasks (which is not to say that working updates are not important).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26514#comment:12>
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