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Firefox crashes

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When I click "Quit Firefox" it doesn't quit but crashes and I get a window saying it crashed. I have refreshed firefox and it works once (quits when asked) but then begins again to crash when wanting to quit firefox.

When I click "Quit Firefox" it doesn't quit but crashes and I get a window saying it crashed. I have refreshed firefox and it works once (quits when asked) but then begins again to crash when wanting to quit firefox.

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Sorry to hear about the crashes. Your Firefox may have logged some data that would help track down the cause of the problem. You may recall submitting a crash report to Mozilla, and you can share those reports with forum volunteers to see whether they point to the solution. Please check the support article "Firefox crashes - asking for support" for steps to get those crash report IDs from the about:crashes page, and then post some of the recent ones here.

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Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac Options)
key, and then starting Firefox. Is the problem still there?

While still in Safe Mode,

Some of your crash reports weren’t sent to the Mozilla Servers.

In the address bar, type about:crashes<enter>. Note: If any reports do not have BP in front of the numbers/letters, click it and select Submit.

The crash report is several pages of data. We need the report numbers to see the whole report.

Using your mouse, mark the most resent 7 - 10 crash reports, and copy them. Now go to the reply box below and paste them in.

aboutcrashesFx29
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If you use "Clear history when Firefox closes" then try to disable this feature.

  • Firefox > Preferences > Privacy > Firefox will: "Use custom settings for history": [X] "Clear history when Firefox closes" > Settings

  • Clearing "Site Preferences" clears all exceptions for cookies, images, pop-up windows, software installation, passwords, and other website specific data.
  • Clearing Cookies will remove all selected cookies including cookies with an allow exception that you want to keep.