Add ons manager crashes after doing a Windows 7 system restore.

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• I have install an add-on for Firefox, but it does not appear in my list of Add-ons Manager, and after I restarted Firefox, it went.

  I try to install 1-Click Youtube Video dDownloader, which is supposed to add a download button to Yuotube video pages. I go here:

  https://addons.Mozilla.org/en-us/Firefox/addon/1-click-YouTube-video-download/

  and I click 'add to Firefox '. It gives me the window "install now". I click on 'Install now' and it is said that Firefox has to restart and it will be installed when Firefox opens again. If I click "Restart now" and restart Firefox. Then I go on Youtube, but no button. I check the page of the Add-ons Manager, and I see that it is installed in the extensions. So, if I go to the page and click 'Add to Firefox' once again and restart once again, go to Youtube, the download button IS there, and it works perfectly. But if I exit and restart Firefox, the download button is once again absent, but the extension is always installed. Why this extension works only when I restart twice, and then it disappears again?

  When the button does not appear, but the extension is marked as active, try to reload the page to Youtube without using the cache by pressing command + shift + r to see if that triggers the extension to insert the button.

  If it remains inconsistent, I would like to ask the developer to Add on to their Contact page: http://www.clickvideodownload.com/contact.php

• After Firefox upgraded to version 6, just now, my Add-ons Manager crashes constantly when I try to access it. How to solve this problem or downgrade to version 5?

  During the update process, it said an add-on, java console, was not compatible and would be disabled.

  It is a common problem caused by a bug in the process of updating Firefox 6. Fortunately, you should be able to solve it by clicking one of the tabs on the left side of the Add-ons Manager (Add - ons get, appearance, Plugins...).

• Add-ons Manager crashes Firefox when I open it.

  I use Linux Mint 10 and Firefox 4b11pre, although this has happened since at least b9pre. I'm under Fx in my home folder as it is downloaded from Mozilla, not a PAL. This happens on 'stable' beta versions, but also the "pre" versions I used to be able to "suck" the databases with Bleachbit program and the problem should go away... for a while. Now it's more emotional.

  In addition, and I think it's important, all of THE modules are working properly. Everything works except that I can't open the crib of the add-on.

  The add-on Manager (huge, heavy and unresponsive) new simply stops working. He does not or partially loads and darkens in the browser, which means a program is not Linux. I then have to force to leave Firefox.

  If I crash reporting active I am never asked to submit a report.

  In this case completely at random. It is not associated with any particular add-on I can say. I spent several hours trying to diagnose this problem without success.

  Things I've done:

  1 build a completely fresh profile. I did it many times combining many different situations, and the problem still happens. It happens with the default settings when I change only the settings of the Preferences dialog box, and when I change the settings via subject: config. I also used the switch to safe mode to reset all settings, but it still happens. Similarly, I have re-downloaded Firefox itself, 'pre' and 'stable' for fear of corruption by updates, that's already happened, but this does nothing either.

  2 safe mode. If I chose to disable all modules in the safe mode dialog box, restart Firefox Add-ons Manager work. At some point, I have approximately 30 active modules, mainly the standard (Adblock, No Script, etc.) and although I am simply playing with.

  Now, when I start to activate the Add-ons, the Add-ons Manager work. I can turn on, say, 5 at a time, completely at random, and it will continue to work until I get to about 25, then it dies. I deleted all modules except those approved by Mozilla Add-ons Web site out there. Then with approved all the Add-ons (and still a manager does not) I disabled all add-ons, restarted and activated one by one. Enable, restart. Enable, restart. Then, randomly, it just stopped working and freezes. I made this several times and totally random orders. He's not on any Add on specific and it always happens between 21 and 27 active cases. You can imagine how frustrating it is, because the Add-ons Manager has no way to activate the mass, or the number of Add-ons.

  Finally, I don't receive any red flags in the error console and has exhausted my knowledge of debugging in Firefox. I get no error when running the terminal either. As I said, all the modules are working properly. I did the other combinations of things, if it's a logical off shoot of what I mentioned above, then I probably did. I've looked everywhere, Bugzilla, Google, Add on bugs, etc. anything.

  Sorry it was so long, if I can't manage my Add-ons there is simply no reason to continue to use Firefox, but as is normally the best browser autour, I don't want to deal with this option. Any help would be greatly appreciated.

  Maybe https://bugzilla.mozilla.org/show_bug.cgi?id=637286

• I can't find Windows Media Player although I have it on the Add-ons Manager. How can I add?

  I can't find Windows Media Player I have and use on my Add-ons Manager. A site asks me to add a plug-in to view a video. I continue to check and update, but I have already. How can I add the Windows Media Player plugin in the Add-ons Manager?

  See this: http://www.ghacks.net/2013/05/15/why-you-may-have-lost-access-to-plugins-or-extensions-in-firefox-21/

• My Add-ons Manager, do not put the list of modules. I have the latest version of Firefox, but I'm the runing XP windows on all my computers and they all do the same thing.

  My tab of the Add-ons Manager to appear the Add-ons I have installed. He goes to a new tab and everything is there except the Add-ons. The Manager tries to find Add-ons, but half an hour later, he always says the same thing. I have the latest version of FireFox, but the operating system is Windows XP Home edition. This applies also to my other computers. Help, please!

  When you open the tab Manager of Addons, click Extensions .

• Add-ons Manager does not list the Add-ons

  I've updated to Firefox 6.0. Since doing so, the Add-ons Manager does not appear Add-ons (it is installed or those who have been disabled by the upgrade).

  The Add-ons Manager simply displays an hourglass "Loading" and no progress.

  A number of my modules was not suitable for Firefox 6.0 and were disabled during the production of process that the Manager screen does not load then I don't see a checklist of these installed or disabled. They appear in the troubleshooting information.

  Make sure that the "Get Add-ons" tab is not enabled on the subject: addons page.
  
  You can click on the tab 'Extensions' to see the installed extensions.

• Add-ons Manager does not since I updated Firefox yesterday, no?

  I've updated Firefox yesterday when the update has been proposed. Now the Add-ons Manager (accessed through the Tools menu) crashes. It says loading and icon spins, but it's never full load. I'm running on a Mac. Thank you.

  I fixed that by clicking on the "Extensions" tab in the Add-ons Manager, then again to get the modules.
  It seams that get the modules need time to load all the necessary data.

• Add-ons Manager disappears when I try to use it

  The title says it pretty well. When I try to use the Add-ons Manager, as soon as I click on an add-on to select this option, the Manager of the whole window disappears without warning. Sometimes several times in a row without exception.

  This has happened

  Each time Firefox opened

  I started trying to resolve why Firefox crashes.

  User Agent

  Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; OfficeLiveConnector.1.5; OfficeLivePatch.1.3;. NET4.0C)

  Hello Ben.

  It is possible that you have a problem with some Add on Firefox which is an obstacle to the normal behavior of your Firefox. Have you tried to disable all add-ons (just to see) to see if Firefox goes back to normal?

  Whenever you have a problem with Firefox, whatever it is, you must make sure that it is not caused by one (or more) of your installed modules, whether an extension, a theme or a plugin. To do this easily and cleanly, start Firefox in safe mode (remember to select disable all add-ons when you start safe mode). If the problem goes away, you know that it's an add-on. Disable them all in normal mode and allow them one by one until you find the source of the problem. See this article for more information on troubleshooting extensions and theme and this one for plugins.

  If you need help with one of your modules, you will need to contact the author.

• Why don't security browser Avira displayed when I search modules in the Add-ons Manager page?

  Why don't security browser Avira displayed when I search modules in the Add-ons Manager page?

  If I search in google, it appears in the list of results, and it displays a add to Firefox"" button.

  However when I click on the "Add to Firefox" button, I get a message "Firefox prevented this site from asking you to install software on your computer" with the button authorize. Why is this and is - it safe to click the allow to install this extension?

  Hi Roberto2525, through the Manager of addons you will only find extensions that their developer chooses to host with mozilla / addons.mozilla.org, addons not they want to distribute themselves.

  the warning message you are seeing is normal and is displayed before the installation of each addon. as the firefox addons are always free to do almost everything that is possible, you must install the addons which authors you trust (extensions hosted on addons.mozilla.org are carefully controlled until they are published).

  from 41 firefox, firefox will require that hosted also outwardly need addons must be signed by mozilla, after what they've been through a few basic checks. so, if you install the extension avira and it says something like "could not be verified for use in firefox," then if please contact avira as well and ask them to get their signed addon: signature of the add-on in Firefox

• Shockwave Flash 16.0.0.305 that appears in the list of plugins in the unsecured Add-ons Manager is

  Following a response from Phillip to my previous question and after following the links provided IE installed Flash Player on the site of Adobe, I'm still not sure if I have the most secure software version, since in the Add-ons Manager, it shows just Shockwave Flash 16.0.0.305 telling me what I need to know. Hslp more would be appreciated. Thank you

  Hey, it's the latest version!

  If you receive a satisfactory answer, please help others with a similar problem, marking it as "resolved."

• Add - ons Manager pages appear as "text only"; Cannot download add-ons.

  Just installed Firefox v28 on new computer running Windows 7 Home. Installation went well and my browsing experience was as expected. Then I open the Add-ons Manager to install the same extensions that I used on the old machine, but something is wrong.

  The pages appear in a 'text only' weird format... scroll down and down... and down (screenshots). Navigation has been frustrating because all the following pages have been in the same weird format.

  Then I went to the box 'search all add-ons' top right of the screen and registered the names of the extensions that I wanted. The search results page was text only but easier to navigate. However, no matter what extension I have
  selected for install failed during download (screenshot).

  What I've tried so far: deleted all the history, cookies, cache, etc, closed Firefox, then rebooted the machine. But the problem persists.

  UPDATE: the problem resolved itself on its own. I left the machine in pure frustration. Returned two days later, and everything has worked well. Have a little problem with the site.

• Add-ons Manager loads automatically

  Whenever I load Firefox version 11, the Add-ons Manager load also in a separate tab. Also, if I click on FILE, NEW WINDOW, the new window gets its own add-ons Manager in a separate tab.

  FWIW, for awhile the Add-0n Fireftp opened automatically. Then he left it; but now opens the Add-ons Manager instead.

  Check the setting of the homepage:

  • https://support.mozilla.org/kb/How+to+set+the+home+page - Firefox supports several home pages separated by ' |' symbol

  See also:

  • http://KB.mozillazine.org/Preferences_not_saved

• Even if some plugins show 'disabled' on the list of the Add-ons Manager, can they be removed completely from the list?

  After downloading RealPlayer to view a particular item, I decided that I didn't want RealPlayer after all. 5 plugins associated with the download are listed in the Add-ons Manager and I managed to disable all the. But there is no apparent ease to remove them from my browser. Can they actually be deleted completely from my system?

  You must activate the plugins on the tools > Modules > page of Plugins to make them appear on the topic: plugins page.

• Added Yahoo Toolbar and Add-ons Manager no longer shows the extensions one I can't access the function "get addons".

  I added a Yahoo toolbar for Firefox that has been customized for Frontier Communications. I Ghostery installed as an add-on, and she flashed a message that Yahoo toolbar confused its effective functioning and I would like to disable or uninstall the toolbar. I open the Add-ons Manager to do and much to my surprise he now showed no extension at all, but they all seemed still works! All my plug-ins appear when I look on the Add-ons Manager. I checked the "Get function modules and it tries to load but does not succeed." I am running Firefox 10.0.2.

  Please also try to delete the extensions.* files in the right out of the Firefox profile folder. Firefox will recreate the files and information. Please note that at the next startup, Firefox can request permissions, opening several tabs with each tab corresponds to a detected extension. Select allow the installation, click continue, but click on restart only on the last tab. You can also try to leave out the suspects without selecting modules and continue. I hope it will solve the problem.

  Files & Firefox profile folder

  Another way would be to try a new profile. Firefox stores the data from profile/personal separately from its installation folder. If the new profile is correct, you can later copy/replace files of the old profile in it, for example. the places.sqlite who holds history + information of favorites, the folder of bookmarks which has backups dated only bookmarks, signons3.txt + signons.sqlite which are necessary to restore successfully a saved website names to user/passwords etc. Please note that in this case, although it is also possible to copy the extensions it may be preferable to install again via Tools > Modules search box or AMO.

  Profiles Howto