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Firefox constantly crashes (Not responding) and crash reports not being submitted

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The Not Responding issue with Firefox browser appears to becoming worse. The Activity Monitor indicates the issue is unrelated to CPU or Memory. Cache clearing and system restart usually prove ineffective. A Refresh Firefox Browser seemed to make the problem worse. Despite ticking all the boxes in Firefox Data Collection and Use, no crash reports are produced or sent to Mozilla. (Apple reports are lodged after Force Quit) The situation has become untenable as the browser has slowed and can freezes sometimes on opening. Any help resolving this would be appreciated as I prefer to use Firefox over other browsers.

The Not Responding issue with Firefox browser appears to becoming worse. The Activity Monitor indicates the issue is unrelated to CPU or Memory. Cache clearing and system restart usually prove ineffective. A Refresh Firefox Browser seemed to make the problem worse. Despite ticking all the boxes in Firefox Data Collection and Use, no crash reports are produced or sent to Mozilla. (Apple reports are lodged after Force Quit) The situation has become untenable as the browser has slowed and can freezes sometimes on opening. Any help resolving this would be appreciated as I prefer to use Firefox over other browsers.
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Additional System Details

Installed Plug-ins

  • Shockwave Flash 32.0 r0

Application

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:68.0) Gecko/20100101 Firefox/68.0

More Information

FredMcD
  • Top 10 Contributor
4230 solutions 59023 answers

Helpful Reply

Start Firefox in Safe Mode {web link}

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?


If Firefox starts, submit the crash reports. Then post the updated report numbers here.

[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode] {web link} A small dialog should appear. Click '''Start In Safe Mode''' (not Refresh). Is the problem still there? If Firefox starts, submit the crash reports. Then post the updated report numbers here.
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Question owner

No crashes to report using Safe Mode.

Still crashing in Standard Mode. Cannot post report numbers as no crash reports are generated within Firefox?!

No crashes to report using Safe Mode. Still crashing in Standard Mode. Cannot post report numbers as no crash reports are generated within Firefox?!
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FredMcD
  • Top 10 Contributor
4230 solutions 59023 answers

Helpful Reply

Start your Computer in safe mode with network support. Then start Firefox. Try Secure websites. Is the problem still there?

http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Starting Any Computer In Safe Mode; Free Online Encyclopedia

Start your '''Computer''' in safe mode with network support. Then start Firefox. Try '''Secure''' websites. Is the problem still there? http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Starting Any Computer In Safe Mode; Free Online Encyclopedia
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FredMcD
  • Top 10 Contributor
4230 solutions 59023 answers

Are you using Mac Beta? Please check.

Are you using Mac Beta? Please check.
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cor-el
  • Top 10 Contributor
  • Moderator
17424 solutions 157436 answers

You can start Firefox in Safe Mode.

  • Windows: hold down the Shift key while starting Firefox
  • Mac: hold down the Options key while starting Firefox

You can try to disable hardware acceleration in Firefox.

Close and restart Firefox after modifying the setting for changes to take effect.

You can start Firefox in <u>Safe Mode</u>. *Windows: hold down the Shift key while starting Firefox *Mac: hold down the Options key while starting Firefox *https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode You can try to disable hardware acceleration in Firefox. *Options/Preferences -> General: Performance<br>remove checkmark: [ ] "Use recommended performance settings"<br>remove checkmark: [ ] "Use hardware acceleration when available" *https://support.mozilla.org/en-US/kb/performance-settings Close and restart Firefox after modifying the setting for changes to take effect. *https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems
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Question owner

Running Version 68.0.1 (64 bit)

Restarted Mac in Safe Mode. Computer was very sluggish? Unable to visit websites due to oversized GUI inside browser. Screen shoot attached shows scrolled to top behind with About window in front.

Running Version 68.0.1 (64 bit) Restarted Mac in Safe Mode. Computer was very sluggish? Unable to visit websites due to oversized GUI inside browser. Screen shoot attached shows scrolled to top behind with About window in front.
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cor-el
  • Top 10 Contributor
  • Moderator
17424 solutions 157436 answers

Try to rename/remove xulstore.json and when present delete localstore.rdf in the Firefox profile folder with Firefox closed.

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.

In Mac OS X v10.7 and later, the ~/Library folder in the Home directory is a hidden folder.

Try to rename/remove xulstore.json and when present delete localstore.rdf in the Firefox profile folder with Firefox closed. You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the <b>about:profiles</b> page. *Help -> Troubleshooting Information -> Profile Directory:<br>Windows: Show Folder; Linux: Open Directory; Mac: Show in Finder *http://kb.mozillazine.org/Profile_folder_-_Firefox *~/Library/Application Support/Firefox/Profiles/&lt;profile&gt;/ In Mac OS X v10.7 and later, the ~/Library folder in the Home directory is a hidden folder. *http://kb.mozillazine.org/Show_hidden_files_and_folders#Mac_OS_X
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Question owner

Removed xulstore.json and localstore.rdf from directory with Firefox closed but problem still persists. Crashed within 1 minute of restart.

Does Firefox have the same level of security/privacy in Safe Mode as under normal operation?

Removed xulstore.json and localstore.rdf from directory with Firefox closed but problem still persists. Crashed within 1 minute of restart. Does Firefox have the same level of security/privacy in Safe Mode as under normal operation?
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