[tor-bugs] #22721 [Applications/Tor Browser]: Not possible to close TorBrowser

[Tor Bug Tracker & Wiki]

#22721: Not possible to close TorBrowser
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     Reporter:  CIA_jews_negro            |      Owner:  tbb-team
         Type:  defect                    |     Status:  new
     Priority:  High                      |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Major                     |   Keywords:
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
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 It's not possible to close TorBrowser since updating from 6.5.x to 7.0.1.

 1. Open a lot of tabs, use a lot of RAM.
 2. Browser was slow but still usable, could open new tabs etc
 3. Click on window close button.
 4. Window is closed, but process is not, even after 20 minutes. Cpu usage
 of firefox.exe is around 0-15%. It's not locked, but never exits.
 5. Killed firefox.exe manually

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22721>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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