[tor-bugs] #4782 [Tor Browser]: Firefox gives confusing error message when TBB is run from a directory which it cannot write to (was: Impossible to run Tor Browser Bundle on Windows 7 as normal user)

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#4782: Firefox gives confusing error message when TBB is run from a directory
which it cannot write to
----------------------------+-----------------------------------------------
    Reporter:  kikoulol     |       Owner:  mikeperry    
        Type:  defect       |      Status:  reopened     
    Priority:  normal       |   Milestone:               
   Component:  Tor Browser  |     Version:  Tor: 0.2.2.35
  Resolution:               |    Keywords:               
      Parent:               |      Points:               
Actualpoints:               |  
----------------------------+-----------------------------------------------
Changes (by rransom):

 * cc: erinn, chiiph (added)
  * status:  closed => reopened
  * resolution:  not a bug =>


Comment:

 Reopening, because velope reports that multiple users have asked for help
 with this in #tor.  We should try to detect this situation (TBB started by
 a user who does not have write access to the TBB directory, whether due to
 permissions or a read-only filesystem) before starting Firefox.

 This check can be implemented either in Vidalia or in RelativeLink.c
 (compiled to “Start Tor Browser.exe”), and it may require marking the
 program which performs the check so that Windows won't ‘virtualize’ the
 filesystem (i.e. divert writes to a subdirectory of the user's AppData
 directory).

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/4782#comment:6>
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