Missing add-ons, hard to install them again.

One day firefox simply "forgot" the add-ons it had installed (Adblock, session manager, google translate)
And when I try to download them back from the mozilla website, nothing happens. Although if I open the installation link in another tab, it works.
Any ideas on what's happening?

hello yogubert, are you using avast as security software by any chance? (if so you might to consider switching to other less intrusive programs): http://www.ghacks.net/2014/11/16/latest-avast-reportedly-deleting-firefox-add-ons/

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Major issues with a add-on Emoji Cheatsheet and missing add-ons in Firefox 37.0.2 ?

As soon as Firefox updated me to 37.0.2 installed I started having issues with missing add-ons and missing tool bar buttons.
Instead spending all day reloading add-on from "Refreshing" Firefox I just started going through my add-ons and disabling them and restarting (4-5 at a time) till thinks went right. I spent a hour last night till I got down t last few that could because it . I left FIREBUG disable and things started working as is and Compatibility Reporter started working too.
Well I woke up to start Firefox and to my shagrin it was messed up again. So I went back through and and remembered the few last add-ons I re-enabled right before I disabled Firbug. So I disable it and sure enough things went back to normal.
What Add-on was that?
'''Emoji Cheatsheet :: Add-ons for Firefox'''
[https://addons.mozilla.org/en-US/firefox/addon/emoji-cheatsheet/?src=ss]
When the icon for it shows on my toolbar everything else shows, yet when it goes awal many other things malfunction. I tried reloading Firfox several times and nothing change. So when I disable it and restarted things were normal and working.
Anyone else experience this?

Sorry, the post about clearing your cache was meant for a different question.
I suggest opening a ticket on the issue forums for this plugin: https://github.com/johannhof/emoji-helper/issues
P.s. If it helps, I currently have 16 add-ons installed.

When looking for WeatherFox, I discovered my entire lower bar had disappeared. I cannot figure out how to restore it. The add-ons are still installed.

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After doing a back-up, I opened Time Machine to see whether an earlier Firefox homepage included the lower bar. I don't know whether I did not go back far enough or whether Firefox is somehow opening to a new, unintended default without that lower bar, no matter how far back I go.
Meanwhile, in the process of writing this, I returned to Firefox Preferences and now the general preferences dialogue box is completely screwed up, as though the size of the contents of that dialogue box had grown, in both dimensions, so it no longer fits within the box and parts of it cannot be accessed. It is truncated, in other words, both at the right side and along the bottom. I can no longer even access the add-ons section. The last thing visible at the bottom of that box is the very top part of the line of text that appears to read: "Choose preferences for your add-ons." It's as though someone had come along with an Exacto and sheared away the bottom part of that line of text. And then there's the <?> at the lower left corner. Along the right side of the box, under "Home Page," there are three buttons: <Use Current Pages>, <Use Bookmark>, and <Restore to Defau>, which is the point at which the text ends.
What the heck is going on? Now it's not only a matter of restoring the lower bar on my Firefox page, with add-ons displayed, but apparently I need to figure out how to resize the general preferences dialogue box, as well. I just checked: The other preferences dialogue boxes appear to fit correctly.
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See View > [X] Status Bar

ERROR: The program is unable to generate the add-on queue due to missing add-ons or Support Packages.

Hi,
Can anyone advice on below issue?
ERROR: The program is unable to generate the add-on queue due to missing add-ons or Support Packages.
Add the missing Support Packages or repeat the current step and change the add-on selection.
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Correction
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IW_FNDGC
I have manually download these components which is SAPK-10001INIWFNDGC and SAPK-10002INIWFNDGC and put it in the download directory and repeat the phase.
Besides, I also checked that these 2 components were inside EPS/in folder CSN0120061532 0083837 PAT and CSN0120061532 0079648 PAT
Thanks and regards,
Shu Jie

Hi Shu Jie,
you can't delete already installed add-ons. Please refer to note #1569624:
It is not possible to uninstall GATEWAY 2.0
Before you install the GATEWAY 2.0, keep in mind that you cannot uninstall ABAP add-ons.
The add-on GW CORE will be merged in IW_FNDGC. This information can also be found in above note:
Please
note:
GW_CORE 200 is not released for SAP_BASIS 740.
The successor is IW_FNDGC 100.
There are two possible reason for your error:
The stackfile is not well configured.
Your SUM is not the very latest one. SUM SP10 contained a bug in its first patch levels which shows retrofitted components in IS_SELECT.
Cheers,
Andreas

Cannot get all the sounds in library to download. I get this message GarageBand was not able to install the new sounds. Close and re-open GarageBand to download and install them again.

When I attempt to download all the sounds in my Garage Band library, I get this message.
"GarageBand was not able to install the new sounds. Close and re-open GarageBand to download and install them again". When I do this, I get the same message again.
CAn anyone advise how to get all the sounds in my Garageband library?

the same here for the drummers sounds in garageband 10xxx

How to lockdown and prevent add-ons from being installed?

Hi. I'd like to lockdown an installation of Firefox on a Win XP computer, to prevent add-ons from being installed by limited account users. How do I accomplish this please?

Use a mozilla.cfg file in the Firefox program folder to lock prefs or specify default values.
Place a file local-settings.js in the defaults\pref folder where you also find the file channel-prefs.js to specify using mozilla.cfg.
pref("general.config.filename", "mozilla.cfg");
pref("general.config.obscure_value", 0); // use this to disable the byte-shift
See:
* http://kb.mozillazine.org/Locking_preferences
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pref(); // set pref, but allow changes in current session
lockPref(); // lock pref, disallow changes
lockPref("xpinstall.enabled", false);

HT202873 I just purchased GB10 last week and I repeatedly keep getting the following message, "Garageband was not able to install the new sounds. Close and re-open Garageband to download and install them again." I have tried EVERY suggestion!

Model Name: MacBook Pro
OS X Yosemite: 10.10.2
Model Identifier: MacBookPro8,2
Processor Name: Intel Core i7
Processor Speed: 2.3 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 8 MB
Memory: 4 GB
I just purchased GarageBand 10.0.3 last week and I repeatedly keep getting the following message when I try to download ANY of the FREE Piano lessons in the "Lesson Store", "Garageband was not able to install the new sounds. Close and re-open Garageband to download and install them again." I have tried EVERY suggestion that I have come across on the internet and nothing is working! If I'd known I would encounter this issue, I would not have paid for this. Tried restarting, rebooting, reinstalling, deleting the cache, and on the verge of just reinstalling the OS. I have come across people have the same issue for months and I can't believe Apple has not offered a fix or update or anything.

Immargarita, Since you just purchased the software you qualify for a no charge one on one at an Apple store. They never could tell me what was wrong, but after three visits and not one dime, all lessons downloaded at the store. I was not going home until it worked.
Hint, hint, I had just upgraded OX when the problem started. So... I qualified for tech support. I forgot to get my none working since the up grade Photoshop fixed. Some Java component can't be found and just like GB, the link to Apple for support does not work. I have the good old PS disc. I'm not happy with this cloud stuff.
When you call and give the SN for your computer, they may say it will cost $29.00 dollars for one time support. Instead choose a different prompt, tell the human being what your problem is and set up a visit to the Apple store. BTW, no one at the store seemed to have heard of this issue.
The techie just started the download and ran the activity monitor. The download stopped once. Then he continued it and everything is there now.
Shame on you Apple.
Hope this helps.

Why Add-ons constantly trying install every restart?

Hi, Im really mad these add-ons features. When I open computer creative cloud app forcing install add-ons. I deleted all add-ons from Extensions Manager CC but when I restart computer all add-ons start install again. This is unbelievable annoying. Some add-ons I used 5 years ago Creative Cloud forcing them install. I don't want it. How to stop this buggy Add-Ons feature... I hate it so much...

You can find all add-ons you have acquired at https://creative.adobe.com/addons/my_addons. You can remove the add-ons you doesn't need at there.

Is there a way to block add-ons from being installed in Firefox, even add-ons coming from 3rd party sites?

I work in a small call center and I have been working on trying to convince IT and management to use Firefox on the computers on the call floor. The main issue I have been having in convincing them, is that you can't block add-ons and things like that as easily as in IE. I thought I had it with blocking addons.mozilla.org, which wouldn't allow access to Mozilla's add-on site. However, with that, techs would still be able to go to 3rd party sites, generally the creators of the add-ons, and download them there. Anybody have any ideas on how to stop this?

You can configure Firefox settings to notify you before installing an add-on.
-> click Firefox '''button''' and click '''Options''' (or Tools Menu -> Options)
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Check and tell if its working.

Add-ons ask to install every, when I switch ON my system

I'm using Firefox latest version and I have installed some add-ons.
when I switch On my system for the first time and open my browser it again ask me to install that add-ons (it did not happen when I hibernate or put my system in sleep).

You can check for problems with preferences and try to rename or delete the prefs.js file and possible numbered prefs-##.js files and a possible user.js file to reset all prefs to the default values.
*http://kb.mozillazine.org/Preferences_not_saved
*http://kb.mozillazine.org/Resetting_preferences
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.
If this hasn't helped then also try to delete the addons.sqlite file.

Can't see add-ons or extentions, installed or available

When I click on Tools--addons or extentions---nothing comes up to see-------when I click on addons, there is a swirling circle that keeps on swirling, page never seems to load, and on extentions---it's a blank page......
I have the Amazon Wish List, Read later, social fixer and couple of others----shouldn't they be showing somewhere are having been installed?? I thought they used to show up??
Plug-ins show up as listed, and under appearance I have a few listed from when I was trying them out in version 19.0.1, but the problem has come about with the new version 20.0.1-----
I can't see any of my add-ons, extentions----but they are in my toolbar for me to use as usual????
I would like to install another add-on but page won't load----please help??

please try to delete the four files named "extension" (i've marked them red in the screenshot) while all firefox windows are closed.

Add-ons won't install

When I click to download the Add-on Compatibility Reporter if I look in about:addons it says it is installing but this never completes. If I click to cancel it the cross doesn't respond. After restarting Firefox the addon doesn't show up in the list any more. I have tried deleting the extensions and compatibility files from the profile folder but the issue still occurs.

Delete the files extensions.* (extensions.rdf, extensions.cache, extensions.ini, extensions.sqlite) and compatibility.ini in the Firefox [[Profiles|profile folder]] to reset the extensions registry. New files will be created when required.
See "Corrupt extension files": http://kb.mozillazine.org/Unable_to_install_themes_or_extensions
If you see disabled, not compatible, extensions on the next start in "Tools > Add-ons > Extensions" then click the "Find Updates" button (in Firefox 4: right-click the extension -> "Find Updates") to do a compatibility check.

Can't get Adobe L-R add-ons (presets) to install properly.

I bought two add-on apps from adobe (presets for Adobe Lightroom) and I can see them in my activity stream for Creative Cloud, but when I click on the names of the programs, I get an error msg. that says, "The product you requested cannot be found. Either this product does not exist or this account does not have access."

Which presets/add-ons?
And where - exactly - did you download them from?

New version erased dictionnaries and Zotero. Can't install them again. I'm lost.

I only have the French dictionnary left. Modules for English and Portuguese supposed active, but don't work. Zotero isn't among "tools" anymore.

It is possible that there is a problem with the file(s) that store the extensions registry.
Delete the extensions.* files (e.g. extensions.json, extensions.sqlite, extensions.ini) 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 or not compatible extensions in "Firefox/Tools > Add-ons > Extensions" then click the Tools button at the left end of the Search bar to check if there is a compatibility update available.
If this hasn't helped then also delete possible addons.json and addons.sqlite files.
You can also check for problems with preferences and rename (or delete) the prefs.js and the user,js file when present to reset all prefs to the default value.
*http://kb.mozillazine.org/Preferences_not_saved
*http://kb.mozillazine.org/Resetting_preferences
You can use this button to go to the currently used Firefox profile folder:
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Missing "Add-ons" toolbar in Adobe Reader X

In Adobe Reader 8.1.1 I implemented buttons in the "Add-ons" toolbar with Javascript.
This toolbar was activated by right-mouse click in the standard-toolbar and checking on "Zusatzprogramme"
(i don't know the english term). The internal name of the toolbar is "JSAppToolbar.
JavaScript:
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   cName:     "DirektDruck",
   cExec:     "pp = event.target.getPrintParams();" +
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In Adobe Reader X the "Add-ons" toolbar seems to be disappeared.
When viewing an PDF-Dokument with Adobe Reader X by accidently i saw the tools-panel "Werkezeuge" (called tools in the english version). There i found my buttons created by JAVASCRIPT. Viewing another PDF-Dokument the tools-panel doesn't appear.
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   Here the panel "Werkzeuge" (Tools) is not displayed:
Questions:
1. Where can I define the appearance of the panel "Werkzeuge" (Tools).
2: I want to place my own buttons (with javascript) in a toolbar, because our users are not amused to click through menus. The solution in older Acrobat Reader Versions was perfect !! How can i achieve this requirement.

Hi Bernd,
   Thank you for your suggestion... unfortunately no effect! I have tried pressing F8 (I made sure the focus was on the plugin by clicking on it). The bar does not appear. So I think either:
* F8 only toggles the bar in the separate Reader program, not the plugin;
or
* Because I removed the toolbar by deselecting each "sub-bar" separately with the mouse, I'm toggling nothing (bar is invisible).
   Is there any other thing I could try?
Best regards,
Lee

Missing add-ons, hard to install them again.

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