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Where do I find all add-ons installed on my Windows 7 computer?

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Hello- ever since computer was updated to Firefox 60.2.0 esr, I have not been able to find but about 5-total add-ons and extensions. I had about 15- or so before updating Firefox. Where would I find them?

 I just received a message from my Avast Free Anti-Virus that said I should remove a bad reputation add-on I never heard of & I surely could not find it using the 4- horizontal bars at the top right of the Browser.  

Thanks!

Hello- ever since computer was updated to Firefox 60.2.0 esr, I have not been able to find but about 5-total add-ons and extensions. I had about 15- or so before updating Firefox. Where would I find them? I just received a message from my Avast Free Anti-Virus that said I should remove a bad reputation add-on I never heard of & I surely could not find it using the 4- horizontal bars at the top right of the Browser. Thanks!

Additional System Details

Installed Plug-ins

  • Shockwave Flash 31.0 r0

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0

More Information

Shadow110 1072 solutions 14836 answers

Hi, there is only 3 lines in the menu.

When you made the question you had a opportunity to share data. This information would have included your add-ons/Extensions as well as Video Card Drivers.

So I have no answer for you to really help you with what Avast wants. When you updated to Quantum which your 2 versions behind at this time as your running ver 60 and current is 62. Help --> About to update. The Extensions you had installed that are missing where deactivated and they reside in your Profile hidden and unusable/ or where removed.

As the about:add-ons page from the 3 Bar Menu Add-ons will show and has a link to this page :

more information :

If still wanting to proceed with this there are 2 options :

Dive into your Profile and wreck havoc :

Or follow this as is still relevant :

Or if you just more or less want your bookmarks out of your Profile back them up as already provided URL and then do this : The Refresh feature (called "Reset" in older Firefox versions) can fix many issues by restoring Firefox to its factory default state while saving your bookmarks, history, passwords, cookies, and other essential information.

Note: When you use this feature, you will lose any extensions, toolbar customizations, and some preferences. See the Refresh Firefox - reset add-ons and settings article for more information.

To Refresh Firefox:

  1. Open the Troubleshooting Information page using one of these methods:
    • Click the menu button New Fx Menu , click help Help-29 and select Troubleshooting Information. A new tab containing your troubleshooting information should open.
    • If you're unable to access the Help menu, type about:support in your address bar to bring up the Troubleshooting Information page.
  2. At the top right corner of the page, you should see a button that says "Refresh Firefox" ("Reset Firefox" in older Firefox versions). Click on it.
  3. Firefox will close. After the refresh process is completed, Firefox will show a window with the information that is imported.
  4. Click Finish and Firefox will reopen.

Did this fix the problem? Please report back to us!

Thank you.

Hi, there is only 3 lines in the menu. When you made the question you had a opportunity to share data. This information would have included your add-ons/Extensions as well as Video Card Drivers. So I have no answer for you to really help you with what Avast wants. When you updated to Quantum which your 2 versions behind at this time as your running ver 60 and current is 62. Help --> About to update. The Extensions you had installed that are missing where deactivated and they reside in your Profile hidden and unusable/ or where removed. As the about:add-ons page from the 3 Bar Menu Add-ons will show and has a link to this page : *https://support.mozilla.org/en-US/kb/npapi-plugins?as=u&utm_source=inproduct more information : *https://www.howtogeek.com/333230/why-firefox-had-to-kill-your-favorite-extension/ If still wanting to proceed with this there are 2 options : *https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer *https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles Dive into your Profile and wreck havoc : *https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data Or follow this as is still relevant : *https://support.mozilla.org/en-US/questions/1159626 Or if you just more or less want your bookmarks out of your Profile back them up as already provided URL and then do this : The Refresh feature (called "Reset" in older Firefox versions) can fix many issues by restoring Firefox to its factory default state while saving your bookmarks, history, passwords, cookies, and other essential information. '''''Note:''' When you use this feature, you will lose any extensions, toolbar customizations, and some preferences.'' See the [[Refresh Firefox - reset add-ons and settings]] article for more information. To Refresh Firefox: # Open the Troubleshooting Information page using one of these methods: #*Click the menu button [[Image:New Fx Menu]], click help [[Image:Help-29]] and select ''Troubleshooting Information''. A new tab containing your troubleshooting information should open. #*If you're unable to access the Help menu, type '''about:support''' in your address bar to bring up the Troubleshooting Information page. #At the top right corner of the page, you should see a button that says "Refresh Firefox" ("Reset Firefox" in older Firefox versions). Click on it. #Firefox will close. After the refresh process is completed, Firefox will show a window with the information that is imported. #Click Finish and Firefox will reopen. Did this fix the problem? Please report back to us! Thank you.
cor-el
  • Top 10 Contributor
  • Moderator
17336 solutions 156749 answers

Helpful Reply

We have seen reports that Avast is flagging some builtin extensions and installed language packs as dangerous and suggests to remove them. This is not a good idea and this can make Firefox malfunctioning.

If you are have let Avast remove any extensions and have a problem with starting Firefox then delete addonStartup.json.lz4 in the profile folder

You can find the installation path of extensions in the extensions.json file in the profile folder. 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.

See also:

  • /questions/1234450#answer-1156254 Avast decided to remove the language resource pack (English GB, unsure if correct term), now Firefox boots as a white panel with <window <="" ^="" id="main-window" li=""></window>

  • Bug 1492459 - Avast/AVG deleting language packs rendering the browser unusable

(please do not comment in bug reports
https://bugzilla.mozilla.org/page.cgi?id=etiquette.html
)

We have seen reports that Avast is flagging some builtin extensions and installed language packs as dangerous and suggests to remove them. This is not a good idea and this can make Firefox malfunctioning. If you are have let Avast remove any extensions and have a problem with starting Firefox then delete addonStartup.json.lz4 in the profile folder You can find the installation path of extensions in the extensions.json file in the profile folder. 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 See also: *[/questions/1234450#answer-1156254] Avast decided to remove the language resource pack (English GB, unsure if correct term), now Firefox boots as a white panel with <window id="main-window" ^ ---- *[https://bugzilla.mozilla.org/show_bug.cgi?id=1492459 Bug 1492459] - Avast/AVG deleting language packs rendering the browser unusable (<i>please do not comment in bug reports<br>https://bugzilla.mozilla.org/page.cgi?id=etiquette.html</i>)