Add-ons managaer only work partly

I'm running FIREFOX 12, but my add-ons manager is only working half of its total features. Features that are work are....recent updates, available updates, plug-ins and appearance! Features NOT working are....extensions, get add-ons and search.

It is possible that there is a problem with the file(s) that store the extensions registry.
Delete the files extensions.* (e.g. extensions.sqlite, extensions.ini, extensions.cache) and compatibility.ini in the Firefox profile folder to reset the extensions registry.
*https://support.mozilla.org/kb/Profiles
New files will be created when required.
See "Corrupt extension files":
*http://kb.mozillazine.org/Unable_to_install_themes_or_extensions
*https://support.mozilla.org/kb/Unable+to+install+add-ons
If you see disabled, not compatible, extensions in "Tools > Add-ons > Extensions" then click the Tools button at the left side of the Search Bar (or click the "Find Updates" button in older Firefox versions) to check if there is a compatibility update available.

Similar Messages

My add-ons aren't working after I updated Firefox

I updated FF a week ago and my add-ons haven't worked since. They aren't in the browser, but they are in the list on the add-ons in the tool bar. When I try to click on 'Options' on one of the add-ons, it just freezes and doesn't do anything. I end up having to use the Task Manager to close FF. I also clicked the 'Find Updates' button on the Add-On thing, but there weren't any updates.
The only thing I noticed that are missing are my add-ons on the browser. Not my history, bookmarks, or anything else.
The most noticeable changes are my Session Manager and AdBlockPlus. I can't get to my previously saved session and that's a big bother. Watching ads on YouTube isn't very fun either.
I tried to do what's here https://support.mozilla.com/en-US/kb/Unable%20to%20install%20add-ons#w_corrupt-extension-files and delete extensions.ini, extensions.cache, and extensions.rdf
but there isn't the file extensions.ini for some reason..
None of the add-ons are disabled, and I tried to disable all of them and try them one by one, but it didn't work at all. I disabled all of them, then tried AdBlock Plus and it didn't work, so I don't think one of my other add-ons are causing the problem.

In order to uninstall a possibly unwanted extension, please do the following:
#From the Firefox window click the Firefox button at the top left and select ''Add-ons'', or, if the Firefox button is not shown, click the ''Tools'' menu and click ''Add-ons''.
#Once the Add-on Manager has opened in a new tab, click the ''Extensions'' button on the left side of the window.
#You should now see a list of your installed extensions on the right side together with buttons on the right side of each extension.
#To remove an extension from Firefox, simply click the ''Remove'' button. You should see a message that informs you about the successful removal of the add-on.
#Note that some add-ons require a Firefox restart to be removed completely. To perform a Firefox restart after the add-on removal, click the ''Restart now'' link in the message.
You can find further information about uninstalling extensions in the following articles:
[[Disable or remove Add-ons]]
[[Remove a toolbar that has taken over your Firefox search or home page]]

After upgrading to 20.0.1 cannot open a new window (CTRL+N) and no add-ons seem to work (apart from adblock plus).

Unable to open new window (but able to open new tabs).
Sometimes unable to open Add-ons tab.
The add-on extensions do not seem to be working, even though they seem to be ENABLED (except adblock plus).
When restarting in safe mode, or disabling ALL add-ons the browser works normally, thus new windows open, add-on tab opens etc.
Tried to enable one thing at a time, but it seems that when enabling WHICHEVER TWO add-ons, firefox starts acting "weirdly" (no new windows etc.).
Tried disabling hardware acceleration, but it didn't solve the problem.
Tried uninstalling firefox and then reinstalling. At first it all seemed working perfectly well: new windows opened, extensions working etc. But after a couple of restarts (of firefox and computer) it all got back to the same situation.
Tried uninstalling ALL add-ons and everything worked well. After installing the SECOND add-on and restarting firefox things get "wrong" again.
It all started after upgrading to Firefox 20.0.1.

Hello,
The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information.
Note: ''This will cause you to lose any Extensions, Open websites, and some Preferences.''
To Reset Firefox do the following:
#Go to Firefox > Help > Troubleshooting Information.
#Click the "Reset Firefox" button.
#Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
#Firefox will open with all factory defaults applied.
Further information can be found in the [[Reset Firefox – easily fix most problems]] article.
Did this fix your problems? Please report back to us!
Thank you.

Add Comment button only works on .mac domain

I have a personal domain through Apple, and the add comment button only works when i go to my .mac domain. When I go through my personal domain it says error!

Yep.
Those needed files are not served by your iDisk. They are served using Apple servers and only work for .Mac (iDisk) accounts.

"Tools Add-ons" no longer works. I was running 16.0.2, I have just now been upgraded to 17.0 for some reason.

(This is a repost of my question. I reposted as all the formatting was lost and now it's a mangled mess that is hard to read.)
I opened "Help > About Firefox" to check which version I was running.
It said 16.0.2 and "You are currently on the release update channel."
Then while I was watching it upgraded to 17.0.
1. Now "Tools > Add-ons" no longer works.
2. I thought 17.0 was a beta. If so why did it download it when I'm on the '''release''' channel?
3. when I go to http://www.mozilla.org/en-US/firefox/fx/ and click the big green "Firefox Free Download" button it downloads this 16.0.2 version:
http://www.mozilla.org/products/download.html?product=firefox-16.0.2&os=win&lang=en-US
which again implies that I should be on 16.0.2, not 17.0
Thanks!

Tab Mix Plus 0.4.0.3 is the culprit

Firefox 4.0 displays an error code when launching: "TypeError: Components.classes[cid] is undefined", add-ons doesn't work and I can't open any web pages

Hello
I've been running Firefox 3.6.16 with no problems at all, and this morning decided to upgrade to Firefox 4.0, as the developer of the them I use, Foxscape, has upgraded it to work with 4.0. The installation appeared to be as normal, but when I launched 4.0, the following error message appeared: error "when launching firefox 4.0 TypeError: Components.classes[cid] is undefined". The browser launched, but while I could go to webpages if they were in my bookmarks, so no problems with my internet connection, but when I typed in a URL (for example google.co.uk) and pressed "go", nothing happened. Similarly, when I tried to go to add-ons, it was as if I hadn't clicked anything. I wondered whether it was an issue with Foxscape (although I've never had any problems before when upgrading, as the standard theme just appears) so I reverted to 3.6.16, switched the theme to standard, then tried upgrading to 4.0 again. The same thing happened, so I'm positive it's got nothing to do with Foxscape.
I run Windows Vista Home Edition on a Dell Inspiron. I also have IE 9 installed (I installed it a few weeks ago, and it's been running fine with 3.6.16). I've never had any problems with Firefox before; I'm very keen to upgrade to 4.0, and would appreciate your help in fixing this.
Thanks

Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Appearance/Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]

My add-ons act like they're installed, but don't show up. This didn't happen until after I installed FF4, had lots of trouble with it, and had to go back to FF3.5.5. Suddenly my add-ons don't work. How can I fix this?

I installed FF4 on both my laptop and PC, but I kept getting kicked offline, especially from Facebook. I then uninstalled FF4 and went back to FF3.5.5 (on the PC) and FF 3.6 on the laptop. This solved my connectivity issues, but add-ons are now acting up. No add-ons at all show up on the PC, and only Personas show on the laptop. When I try to install Forecast Fox and Colorful Tabs, I get the "install now" message and the message to restart FF, which I do. When it repaints, the add-ons are just not there. I expect it's something I'm doing wrong, but I don't know what it is. Java is updated. Any pointers? TIA!

You're welcome

Why don't add-ons upgrade to work on the latest version of Firefox?

Having all these add-ons doesn't make much sense if you keep getting a "not compatible with latest Firefox version. Yea sure I bought a s4 to run the older versions. Firefox seems to have alittle google mindset about themselves. Without the add-ons Firefox is just another search engine. Please make everything compatible.

Add-ons are upgraded by the creator. It's their responsibility to keep their app/add-on up to date and working with the current Firefox browser.

Foxfire 6.0 add-ons manager not working, says "loading", get nothing, now what?

Just received an update and some add-ons were disabled. Clicked on "Tools", "add-ons". Tab opens and says "Loading" but nothing loads and I can't do anything with add-ons manager. Is there a fix?

Thanks for the suggestions. When you click on Tools and then Add-ons, theAdd-on Manager launches, and by default "Get Add Ons" is selected. Although I was not getting any response other than "Loading", if I then click on Extensions or Appearance or Plugins, I was getting a proper response from those three. After doing that and closing out Add-ons Manager and then relaunching it, my original problem disappeared. Now everything works fine. I tested it multiple times and is still OK. Can't explain it but OK for now. Maybe the Get Add-ons portion of the Web site was down at the times I was testing it? I'll keep a watch on it. Thanks for your speedy reply.

I can't open new windows and add-ons aren't working.

I recently scrubbed my hard drive due to virus issues in order to contain the virus before it spread. After installing Firefox I noticed that I was unable to open new windows, links that normally opened a new window for Firefox weren't working, and I can't access plug-ins like AdBlock Plus which I used frequently before. I've never had this problem before. I turned off all security settings and unplugged from the internet to see if that was the problem, but that didn't work. I also tried uninstalling and reinstalling Firefox, same deal.

Hello Anand, '''Try Firefox Safe Mode''' to see if the problem goes away. [[Troubleshoot Firefox issues using Safe Mode|Firefox Safe Mode]] is a troubleshooting mode that turns off some settings, disables most add-ons (extensions and themes).
If Firefox is open, you can restart in Firefox Safe Mode from the Help menu:
*In Firefox 29.0 and above, click the menu button [[Image:New Fx Menu]], click Help [[Image:Help-29]] and select ''Restart with Add-ons Disabled''.
When the Firefox Safe Mode window appears, select "Start in Safe Mode".[[Image:Safe Mode Fx 15 - Win]]
'''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, and you need to figure out which one. Please follow the [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] article to find the cause.
''To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
When you figure out what's causing your issues, please let us know. It might help others with the same problem.
thank you

Adobe acrobat add ons does not work with latest firefox

I have been using firefox because of my adobe acrobat add ons.. I alwasy convert pages to adobe pdf using my acrobat. It works with firefox 4.0 but it does not work anymore with latest firefox.
Can you help me with this?

Maybe if you read about privacy, policy and sharing of data you'd change your mind. But it was reported that it appeared to work if you used something like the "Add-ons Compatibility Reporter".
You can force 5.0 "compatibility" with the "[https://addons.mozilla.org/en-US/firefox/addon/add-on-compatibility-reporter/ Add-on Compatibility Reporter]" extension, or with [http://kb.mozillazine.org/Extensions.checkCompatibility extensions.checkCompatibility] using about:addons.
* http://kb.mozillazine.org/Problematic_extensions

My add-ons are not working

My add-ons appear in Tools Add-Ons. They are all enabled. But they are not working, including Greasemonkey. Then, Firefox does not respond and hangs.
What the heck is going on with this new version of Firefox? It is one problem after another. There may be more problems that I have not yet discovered. Is it possible to revert to the old version?

The current version of Greasemonkey is compatible with Firefox 29. Could you check to make sure it is not turned off? There should be a "monkey" icon on the toolbar. Clicking that icon turns Greasemonkey on and off; the "off" state is designated by a faded icon, while the "on" state has a full-colored icon.
More generally, could you check for possible extension updates and disable unimportant extensions in case one of those conflicts with Firefox?
Open the Add-ons page using either:
* Ctrl+Shift+a
* "3-bar" menu button (or Tools menu) > Add-ons
In the left column, click Extensions. Then, look for the "gear" button above the list and choose Check for Updates.
I also suggest disabling any extensions you won't be using for the next 24 hours so that you can test whether that improves Firefox's functioning.
Usually a link will appear above at least one disabled extension to restart Firefox. You can complete your work on the tab and click one of the links as the last step.
Any difference?
One possible reason for hangs, especially where you eventually get a dialog indicating that a script is running slowly, is Flash. To minimize sites from using Flash unnecessarily, try setting Flash to Click-to-Play ("Ask to Activate"). This will delay Flash from starting on a page until you approve it.
On the Add-ons page, in the left column, click Plugins. Look for "Shockwave Flash" and change "Always Activate" to "Ask to Activate".
When you visit a site that wants to use the Flash, you should see a notification icon in the address bar and one of the following: a link in a black rectangle in the page or an infobar sliding down between the toolbar area and the page.
Any noticeable difference?

Will not open link in new tabs, some of my add ons are not working properly

I am using Firefox 3.6.6
My add ons, such as Gmail Notifier and Forecast Fox are not showing up on the bottom, but they are all enabled and updated. Also, when right click and select Open Link in New Tab, it opens an Untitled tab.
== This happened ==
Every time Firefox opened
== I'm not sure when

The current version of Greasemonkey is compatible with Firefox 29. Could you check to make sure it is not turned off? There should be a "monkey" icon on the toolbar. Clicking that icon turns Greasemonkey on and off; the "off" state is designated by a faded icon, while the "on" state has a full-colored icon.
More generally, could you check for possible extension updates and disable unimportant extensions in case one of those conflicts with Firefox?
Open the Add-ons page using either:
* Ctrl+Shift+a
* "3-bar" menu button (or Tools menu) > Add-ons
In the left column, click Extensions. Then, look for the "gear" button above the list and choose Check for Updates.
I also suggest disabling any extensions you won't be using for the next 24 hours so that you can test whether that improves Firefox's functioning.
Usually a link will appear above at least one disabled extension to restart Firefox. You can complete your work on the tab and click one of the links as the last step.
Any difference?
One possible reason for hangs, especially where you eventually get a dialog indicating that a script is running slowly, is Flash. To minimize sites from using Flash unnecessarily, try setting Flash to Click-to-Play ("Ask to Activate"). This will delay Flash from starting on a page until you approve it.
On the Add-ons page, in the left column, click Plugins. Look for "Shockwave Flash" and change "Always Activate" to "Ask to Activate".
When you visit a site that wants to use the Flash, you should see a notification icon in the address bar and one of the following: a link in a black rectangle in the page or an infobar sliding down between the toolbar area and the page.
Any noticeable difference?

Many add-ons do not work when upgraded to Firefox 3.6.10 on mac

After upgrading to v3.6.10, my Firefox kept on crashing when I attempted to open the app. I had thought that it could be a particular wrong move to install a recently-added new plug-in iMacros to the browser.
However, after around 8 attempts at reinstallation with individual plugins/add-ons (eg. Xmarks, etc), Firefox was unable to startup. From my attempts, I believe it might be some error with the new version that might clash with the other plugins that were previously installed.
I hope some solution can help solve this problem as I would like to try out the new 3.6.10, but since I don't have the previous installer, I have to resort to using a back-dated 3.5.5 version of Firefox.

Glad to hear I am not alone in this. Same time frame too. But at 11 pm on 15.10 equally suddenly firefox started working again, and now seems fine.
Errr?
(glad I have Safari to fall back on)
The aspxerrorpath has disappeared from the header.
Hey, Firefox, what is going on ?

How come absolutely none of my add ons/extensions are working even when i try to redownload them?

it has been approximately four months since my add ons/extensions haven't been working and i just cannot figure out why. one day i opened firefox and each one of my add ons started to not work anymore [there was no update i might ad so lack of compatibility is out of the question also since most of my add ons are compatible with at least version 3.6] i'm running on windows vista 64bit premium home edition. yeah. please help me because this is really annoying and i cannot download any youtube videos nor music from any other website. thanks in advance
-EDL1

'''elitedarklord_1337'''
Delete the files extensions.* (extensions.rdf, extensions.cache, extensions.ini) and compatibility.ini in the Firefox [[Profiles|profile folder]] to reset the extensions registry.
See "Corrupt extension files": http://kb.mozillazine.org/Unable_to_install_themes_or_extensions
If you see disabled extensions that are not compatible on the next start in "Tools > Add-ons > Extensions" then click the "Find Updates" button to do a compatibility check.
'''amal123'''
See your own thread: [/questions/747509]

Add-ons managaer only work partly

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