Addons Hidden in Addon Manager after updating to Firefox 8

After updating to Firefox 8, none of the extensions in my Add-on Manager from my Firefox 7 installations are visible.
Also, when I try to install an add-on, I get an error message saying that the extension can't be installed because Firefox cannot modify the needed file.

Simply install ONE of your existing add-ons. Restart Firefox. Patiently allow all of your add-ons (unless you don't want them). Restart Firefox. Browse happy. Don't put in nearly as much effort as I did researching the problem.

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You can check for problems with the localstore.rdf file.
*http://kb.mozillazine.org/Corrupt_localstore.rdf
*https://support.mozilla.org/kb/Toolbar+keeps+resetting
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.

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Click on the Extensions item on the Addons Manager tab.

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Quote from: NovJoe on 23-March-09, 14:53:31
Why don't you want to follow up with your previous thread?
It'll be confusing when you started multiple threads linking to the issue.
Sorry, I haven't posted here much so I'm not familiar with the protocols. I just thought it would be less confusing to make this a separate issue. I linked them to avoid duplicating info on my config & h/w

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@repected sir.
we paid kaspersky pure alot of money....and a major portion was because it has inbuilt password manager.....
if we get the password manager v5..we still have to pay for it which is unacceptible.
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regards

After updating to Firefox 8.01 all my add-ons are disabled & I have to manually reinstall those that still work after each reboot??

After updating to Firefox 8.0 & 8.01 all my add-ons were disabled.
I have to reinstall those that still can be enabled manually after each reboot. These, that I can reinstall, are:
Download Helper 4.9.7/WOT 20111107/Adblock 1.3.10/DivX plus Web Player HTML5 2.1.2.145/
All my other add-ons are incompatible with this version of Firefox! This includes Ghostery which I particularly miss,
This is annoying!

Ghostery: Works with Firefox 3.5 - 11.0a1: https://addons.mozilla.org/en-US/firefox/addon/ghostery/
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.com/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.com/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 do a compatibility check or see if there is a compatibility update available.
See also:
*http://kb.mozillazine.org/Preferences_not_saved
*https://support.mozilla.com/kb/Preferences+are+not+saved

Problem loading pages after update to Firefox 36

After updating from Firefox 35.0.1 to version 36, I am unable to load any pages in Firefox. (My internet connection is fine and I can use other browsers on the same computer.)
I've already tried many troubleshooting routines to fix the problem but none have worked. I've tried the instructions here:
https://support.mozilla.org/en-US/kb/fix-problems-connecting-websites-after-updating
(including troubleshooting my Firewall and proxy settings)
and here:
https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can
I've also tried the more general and extensive troubleshooting here:
https://support.mozilla.org/en-US/kb/troubleshoot-and-diagnose-firefox-problems
NONE of the suggestions in any of those pages solved the problem. Opening Firefox is Safe Mode did not help either. I was unable to load pages even in Safe Mode.
After following all of the steps in all of those troubleshooting guides and still failing, I uninstalled Firefox completely. (I followed all official directions on how to uninstall.) Then I re-installed Firefox VERSION 35.0.1. Firefox again worked fine with the older version.
Then I restored my profile from a backup using MozBackup. (My most recent backup was done when I had Ver. 35.0.1 installed.) Everything was still fine; Firefox worked fine and all of my settings were back to my preferences.
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Any help appreciated!

Your message seems to have covered all the normal things we check.
When you tried using v36, did you have any add-ons? Have you tried;
'''https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles'''
'''Windows: 32-bit''' C:\Program Files\Mozilla Firefox\firefox.exe -p
'''64-bit''' C:\Program Files (x86)\Mozilla Firefox\firefox.exe -p
'''Mac:''' Navigate to '''/Applications/Utilities.''' Open the Terminal application.
In the Terminal application, enter the following:
/Applications/Firefox.app/Contents/MacOS/firefox-bin -p
'''Linux:''' In '''Terminal''' run: firefox –P
For users who have one or more builds from mozilla.org this will not work.
It would be best to have the full path so if you had placed the untared contents
in a folder in /home it would be /home/<username>/foldername/firefox/firefox –P
An easy way would be not to do it in a terminal but in say a launcher since
you have to point it to the firefox script in Firefox folder you can then add –P
on end. You can also have the exact "profilename" after the -P so Firefox
will start with that Profile.

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Firefox 3.6 allowed me to play games, Firefox 4 upgrade doesn't.Question
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http://support.mozilla.com/en-US/kb/Installing+a+previous+version+of+Firefox
http://www.mozilla.com/en-US/firefox/all-older.html

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Blue
It sounds like you restored from an old back-up. Did you back-up just before your software update? It will use your last one and if your last back-up was a ywear old then it will use that one.
In general, if you are getting these messages on your iPhones select logout (when you get that Apple Id request) and then log back in with your newer ID.
Sorry for your losses.
Cheers

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Old Toad wrote:
I got that message with all of my libraries. Do see if the galleries are still on your iDisk mount your iDisk and go to the iDisk/Web/Sites folder and look for a folder titled "_gallery". Inside of it should be folders for each of your galleries. The folders are titled with 6 digit numbers which makes it difficult to know which folder is for which gallery.
Thanks. "_gallery" is empty
Have you tried re-syncing as Larry suggested?
I'm sure it will work, but I'm perplexed as to how this could happen.
Do you find that iPhoto now launches faster? Perhaps it's because my web galleries are gone?

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Hi haweyext,
Did you see this thread from yesterday:
[https://support.mozilla.org/en-US/questions/964732 How do I keep the icons out of my Bookmarks Toolbar (tried Bookmarks Deiconizer) even after downloading files?]
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Start Firefox in [[Safe Mode]] to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
* Don't make any changes on the Safe mode start window.
* https://support.mozilla.com/kb/Safe+Mode
* [[Troubleshooting extensions and themes]]
If it does work in Safe-mode then disable all extensions and then try to find which is causing it by enabling one at a time until the problem reappears.
* Use "Disable all add-ons" on the [[Safe mode]] start window to disable all extensions.
* Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")
In Firefox 4 you can use one of these to start in [[Safe mode]]:
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Addons Hidden in Addon Manager after updating to Firefox 8

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