[tor-bugs] #32418 [Applications/Tor Browser]: Torbrowser tells on every start, that it can't update although it is newest

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#32418: Torbrowser tells on every start, that it can't update although it is newest
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 Reporter:  Yeti                      |          Owner:  tbb-team
     Type:  defect                    |         Status:  needs_information
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-update                |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by Yeti):

 Thanks, now I see, that Torbrowser misses write access for the program
 directory. I guess, this check should be done, when updates exist, not
 before.

 I install Torbrowser into %programfiles%, where users don't have write-
 access. Virtualization is disabled. Datadir I made writable (but not
 executable), because I didn't find a setting for relocating it. I handle
 updates manually as administrator. That's the safest way to avoid
 compromizing program files.

 update_messages.log:
 Logging current UpdateService status:
 UpdateService.canCheckForUpdates - able to check for updates
 getCanApplyUpdates - unable to apply updates without write access to the
 update directory. Exception: [Exception... "Component returned failure
 code: 0x80520015 (NS_ERROR_FILE_ACCESS_DENIED) [nsIFile.create]"
 nsresult: "0x80520015 (NS_ERROR_FILE_ACCESS_DENIED)"  location: "JS frame
 :: resource://gre/modules/FileUtils.jsm :: FileUtils_getDir :: line 76"
 data: no]
 getCanStageUpdates - staging updates is disabled by preference
 app.update.staging.enabled
 Elevation required: false
 Update being handled by other instance: false
 Downloading: false
 End of UpdateService status

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32418#comment:3>
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