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The last update not working

  • 11 replies
  • 1 has this problem
  • 77 views
  • Last reply by Roland

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The last update to 83.0, 64-bit, Swedish version, does not work correcly. The browser starts but does not connect to ANY site. Now I have to use Google Chrome to connect to internet. Any solution, please?

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Some problems occur when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again;

  • Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
  • Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see

Configure firewalls so that Firefox can access the Internet. {web link}

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Did not work.

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Everything was working well until updating to version 83.0

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Start Firefox in Safe Mode {web link}

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


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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Yesterday the Firefox suddenly started to work as normal again, without me doing anything, but today when starting the computer up again the Firefox acted as before (not connecting to internet). Starting in safe mode does not help. What now to do? Just wait an hour and hope for the best or stop using Firefox?

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All other programs can connect to internet, only Firefox cannot.

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My Firefox 83.0 cannot open ANY page, not even a locally .htm page on my computer! I did not try that before but now I tried a page I have on my computer. The adress is shown in the adress field, but the page does not open!

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A post was flagged as Solved Problem. If the problem is not solved, please remove that flag. If you don’t, others that can help may not read this post.

Go to that message, and use the Undo link to its right.

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Do a clean reinstall of the current Firefox release and delete the Firefox program folder before installing a fresh copy of the current Firefox release.

If possible uninstall your current Firefox version to cleanup the Windows Registry and settings in security software.

  • do NOT remove "personal data" when you uninstall the current Firefox version, because this will remove all profile folders and you lose personal data like bookmarks and passwords including personal data in profiles created by other Firefox versions

Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.

  • (64-bit Firefox) "C:\Program Files\Mozilla Firefox\"
  • (32-bit Firefox) "C:\Program Files (x86)\Mozilla Firefox\"
  • it is important to delete the Firefox program folder to remove all the files and make sure there are no problems with files that were leftover after uninstalling

Your personal data like bookmarks is stored in the Firefox profile folder, so you won't lose personal data when you reinstall or update Firefox, but make sure NOT to remove personal data when you uninstall Firefox as that will remove all Firefox profile folders and you lose your personal data.

If you keep having problems then you can create a new profile as a quick test to see if your current profile is causing the problem.


Reinstall Firefox

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Sorry, but this did not help! I'm giving up and have to use another web browser, maybe Edge. I don't like it, but what else to do? Firefox 82 did work fine, but when upgrading to 83 the problem started. Sorry, but Firefox goodbye!

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