[tor-bugs] #10789 [Tor bundles/installation]: TBB 3.5.1 not starting (Can't load xpcom)

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#10789: TBB 3.5.1 not starting (Can't load xpcom)
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 Reporter:  Sherief                   |          Owner:  mikeperry
     Type:  defect                    |         Status:  new
 Priority:  normal                    |      Milestone:
Component:  Tor bundles/installation  |        Version:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
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 A number of users using version 3.5.1 cannot run TBB at all and "start tor
 browser" gives only this error message "Can't load xpcom".

 I told the affected users to do the following:
 1) Run TBB as Administrator.
 2) Put the Tor Browser folder on the Desktop (or anywhere with read/write
 permissions).
 3) Download a Firefox ESR [0] and see if it produces the same error.

 All previous attempts did not work for anyone then one user replaced the
 xul.dll from 3.5.1 and used the one in version 3.5 and things worked for
 him. Meanwhile, I sent that user an email requesting the misbehaving
 xul.dll (gk's suggestion).

 [0] https://www.mozilla.org/en-US/firefox/organizations/all.html

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10789>
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