[tor-bugs] #22598 [Applications/Tor Browser]: When updater read fails, About Tor Browser and Quit stop working

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#22598: When updater read fails, About Tor Browser and Quit stop working
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 Reporter:  teor                      |          Owner:  tbb-team
     Type:  defect                    |         Status:  needs_information
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by teor):

 Replying to [comment:1 mcs]:
 > We don't do too much to change the way the updater works in terms of
 processes and file access, so this is likely a Firefox bug. How can I
 reproduce it? Do you have special software that prevents new binaries from
 accessing files? Or is this something I can reproduce use macOS settings?

 Here are three possible ways to reproduce issues like this:
 1. use FSecure XFence (used to be called Little Flocker) to deny access to
 files
 2. install Tor Browser as an admin user, but open it as a non-admin user
 3. do 2, but also turn on macOS parental controls, and allow Tor Browser
 4. do 2, but also turn on macOS parental controls, and don't allow Tor
 Browser

 You will get a range of interesting errors.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22598#comment:2>
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