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Firefox crashes

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davidmead
davidmead
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I was using Firefox as my default browser then upgraded to version 34 and started getting constant crashes and filing many crash reports. I have un-installed and re-installed V34 several times with no results. So I uninstalled Firefox and went directly to version 35 with Firefox still not working and crashing constantly so I upgraded (? ) to Beta 36-2 and it is still crashing every time I try to use Firefox !! Do I need to reset Firefox and if so how do I do that ?? I am using a Windows 7 64-bit PC. I am us

I was using Firefox as my default browser then upgraded to version 34 and started getting constant crashes and filing many crash reports. I have un-installed and re-installed V34 several times with no results. So I uninstalled Firefox and went directly to version 35 with Firefox still not working and crashing constantly so I upgraded (? ) to Beta 36-2 and it is still crashing every time I try to use Firefox !! Do I need to reset Firefox and if so how do I do that ?? I am using a Windows 7 64-bit PC. I am us

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ideato
ideato
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Hi, we're sorry to hear that Firefox is crashing. In order to assist you better, please follow the steps below to provide us crash IDs to help us learn more about your crash.

  1. Enter about:crashes in the Firefox address bar and press Enter. A Submitted Crash Reports list will appear, similar to the one shown below.
  2. Copy the 5 most recent Report IDs that start with bp- and then go back to your forum question and paste that into the "Post a Reply" box. (Please don't take a screenshot of your crashes, just copy and paste the ID's. The below image is just an example of what your Firefox screen should look like)
aboutcrashesFx29

Thank you for your help!

More information and further troubleshooting steps can be found in the Troubleshoot Firefox crashes (closing or quitting unexpectedly) article.

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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You can try to disable OMTC and leave hardware acceleration in Firefox enabled.

  • about:config page: layers.offmainthreadcomposition.enabled = false

You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.

  • Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
  • Do NOT click the Reset button on the Safe Mode start window

Create a new profile as a test to check if your current profile is causing the problem.

See "Creating a profile":

If the new profile works then you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems.