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Every time I open Mozilla, my PC will freeze.

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I have Mozilla Firefox last version 57 I think, and every time I open the browser my PC freezes.

It doesn't freezes right away, it may think minutes to hours, but it will certainly freeze.

Some time sit happens with other browsers opened, some times it happens just with Firefox opened. But it freezes.

I'm using Windows 10 Pro x64, Anniversary Update, I think. Build 1709. I also have Eset Smart Security 10 as my antivirus.

I have Mozilla Firefox last version 57 I think, and every time I open the browser my PC freezes. It doesn't freezes right away, it may think minutes to hours, but it will certainly freeze. Some time sit happens with other browsers opened, some times it happens just with Firefox opened. But it freezes. I'm using Windows 10 Pro x64, Anniversary Update, I think. Build 1709. I also have Eset Smart Security 10 as my antivirus.
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Additional System Details

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

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WestEnd
  • Top 25 Contributor
45 solutions 2127 answers

Did you try that in Safe Mode with Networking to see if the problem shows up there as well?

Did you try that in Safe Mode with Networking to see if the problem shows up there as well?
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WestEnd said

Did you try that in Safe Mode with Networking to see if the problem shows up there as well?

No, since it only happens when I open Firefox (I'm 100% sure). I think there's no need for that.

''WestEnd [[#answer-1068601|said]]'' <blockquote> Did you try that in Safe Mode with Networking to see if the problem shows up there as well? </blockquote> No, since it only happens when I open Firefox (I'm 100% sure). I think there's no need for that.
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WestEnd
  • Top 25 Contributor
45 solutions 2127 answers

Then there is no help then.

Then there is no help then.
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Question owner

WestEnd said

Then there is no help then.

It means only Mozilla guys can figure out, right?

''WestEnd [[#answer-1070914|said]]'' <blockquote> Then there is no help then. </blockquote> It means only Mozilla guys can figure out, right?
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Chris Ilias
  • Moderator
170 solutions 1428 answers

Hi BadBird70,

Freezing could be caused by any number of things. Could you try the solutions in the following article, and see if any of them help: Firefox hangs or is not responding - How to fix

Hi BadBird70, Freezing could be caused by any number of things. Could you try the solutions in the following article, and see if any of them help: [[Firefox hangs or is not responding - How to fix]]
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Chris Ilias said

Hi BadBird70, Freezing could be caused by any number of things. Could you try the solutions in the following article, and see if any of them help: Firefox hangs or is not responding - How to fix

My entire PC freezes. When I open Firefox

''Chris Ilias [[#answer-1071186|said]]'' <blockquote> Hi BadBird70, Freezing could be caused by any number of things. Could you try the solutions in the following article, and see if any of them help: [[Firefox hangs or is not responding - How to fix]] </blockquote> My entire PC freezes. When I open Firefox

Modified by BadBird70

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Chris Ilias
  • Moderator
170 solutions 1428 answers

If you hold down the Shift key when starting Firefox, does the Safe Mode prompt appear?

If you hold down the '''Shift''' key when starting Firefox, does the Safe Mode prompt appear?
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Question owner

Chris Ilias said

If you hold down the Shift key when starting Firefox, does the Safe Mode prompt appear?

Yes it does.

''Chris Ilias [[#answer-1071246|said]]'' <blockquote> If you hold down the '''Shift''' key when starting Firefox, does the Safe Mode prompt appear? </blockquote> Yes it does.
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Chris Ilias
  • Moderator
170 solutions 1428 answers

Helpful Reply

Great! We're making progress.

If you click on Start in Safe Mode, does your PC continue to work? If the problem does not occur in Safe Mode, then you can disable your extensions one-by-one until you find out which one is causing the problem. For more info, visit Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems.

If the problem continues in Firefox Safe Mode, click Refresh Firefox. For more information, see Reset Firefox preferences to troubleshoot and fix problems

Great! We're making progress. If you click on '''Start in Safe Mode''', does your PC continue to work? If the problem does not occur in Safe Mode, then you can disable your extensions one-by-one until you find out which one is causing the problem. For more info, visit [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]]. If the problem continues in Firefox Safe Mode, click '''Refresh Firefox'''. For more information, see [[Reset Firefox preferences to troubleshoot and fix problems]]
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Question owner

Nothing wrong happens till now

Nothing wrong happens till now
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FredMcD
  • Top 10 Contributor
3643 solutions 49956 answers

If there is no problem with Firefox in Safe Mode,

It could be the work of one of your add-ons, or it could be Hardware Acceleration. How to disable Hardware Acceleration {web link}

Type about:addons<enter> in the address bar to open your Add-ons Manager. Hot key; <Control> (Mac=<Command>) <Shift> A)

In the Add-ons Manager, on the left, select Extensions. Disable a few add-ons, then Restart Firefox.

Some added toolbar and anti-virus add-ons are known to cause Firefox issues. Disable All Of them.

If the problem continues, disable some more (restarting FF). Continue until the problem is gone. After, you know what group is causing the issue. Re-enable the last group ONE AT A TIME (restarting FF) until the problem returns.

Once you think you found the problem, disable that and re-enable all the others, then restart again. Let us know who the suspect is, detective.

If there is no problem with Firefox in Safe Mode, It could be the work of one of your add-ons, or it could be '''Hardware Acceleration. ''' ''[https://support.mozilla.org/en-US/kb/forum-response-disable-hardware-acceleration How to disable Hardware Acceleration]'' {web link} Type '''about:addons'''<enter> in the address bar to open your Add-ons Manager. Hot key; '''<Control> ''(Mac=<Command>)'' <Shift> A) ''' In the Add-ons Manager, on the left, select '''Extensions. ''' Disable a few add-ons, then '''Restart Firefox. ''' Some added toolbar and anti-virus add-ons are known to cause Firefox issues. '''Disable All Of them. ''' If the problem continues, disable some more (restarting FF). Continue until the problem is gone. After, you know what group is causing the issue. Re-enable the last group '''ONE AT A TIME''' (restarting FF) until the problem returns. Once you think you found the problem, disable that and re-enable all the others, then restart again. Let us know who the suspect is, detective.
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