[tbb-bugs] #9145 [Applications/Tor Browser]: TBB 3.0a1 crashes on startup on Win7

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Mar 31 14:46:19 UTC 2017

#9145: TBB 3.0a1 crashes on startup on Win7
 Reporter:  dope457                              |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:  new
 Priority:  High                                 |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-crash, Windows, Hardware-        |  Actual Points:
  acceleration, fuck-mingw                       |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:

Comment (by tom):

 To add some explicit instructions here as this gets referenced often. For
 a built browser suffering from the problem, on Windows:

 1. Copy browser/omni.ja twice, once to omni.ja-backup and once to omni.zip
 2. Unzip the zip file using Windows built-in Zip Extractor. ([0] Indicates
 that other zip programs will not work correctly)
 3. In the extracted omni/ folder, edit default/preferences/firefox.js and
 add ``pref("gfx.direct2d.disabled",true);``
 4. Repackage the folder by running (in the extracted omni/ folder) ``zip
 -qr9XD omni.ja *`` - I used the cygwin zip package to do this. [0]
 indicates that other packaging methods will not work.
 5. move the repackages omni.ja over top the original (you have the back up
 right?!) and test!

 I was able to get it running with only gfx.direct2d.disabled - maybe one
 might need the layers.acceleration.disabled set to true too?

 [0] https://developer.mozilla.org/en-

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9145#comment:34>
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