Is your Issue reproduceable Extension-less in Safe-Mode and/or using a new Profile? https://support.mozilla.com/en-US/kb/Safe+Mode https://support.mozilla.com/en-US/kb/Managing+profiles#Creating_a_profile
I do not get the message box when I start it in safe mode but I still get it when I disabled all my extensions and open firefox normally.
See also Bug 579710 & Bug 582659.
Version: unspecified → Trunk
I have just installed RC1 and encountered the same problem. Please note I am running Windows 7 64bit which is a new clean installation - (i.e. had to re-install Windows). Firefox RC1 was installed over 3.6.15
Is this still a problem ?
Closing based on date of last comment and lack of response to request for info. If more info provided bug can be reopened.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 5 years ago
Resolution: --- → WORKSFORME
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