Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox 20: why won't my add-on's load at startup?

  • 4 replies
  • 1 has this problem
  • 10 views
  • Last reply by jfd33

more options

My add-on's install easily the first time, then load in the current browser session, but then, when I restart Firefox, they no longer load. they are viewable from my Add-on's Manager list, and as far as I know they are not on the unsafe blocked list. If I disable each one, and then re-enable them, then they show up in the main menu and function properly, but only for that current browser session.


Does anyone know why the add-on's won't load permanently?


here are the ones I have installed:

about:addons-memory 6 full screen 3.4 ad block plus 2.2.3 URL fixer 4.1 auto pager 0.8.0.8 self destructing cookies 0.3.6 quick gestures 1.1.1

thanks in advance!

My add-on's install easily the first time, then load in the current browser session, but then, when I restart Firefox, they no longer load. they are viewable from my Add-on's Manager list, and as far as I know they are not on the unsafe blocked list. If I disable each one, and then re-enable them, then they show up in the main menu and function properly, but only for that current browser session. Does anyone know why the add-on's won't load permanently? here are the ones I have installed: about:addons-memory 6 full screen 3.4 ad block plus 2.2.3 URL fixer 4.1 auto pager 0.8.0.8 self destructing cookies 0.3.6 quick gestures 1.1.1 thanks in advance!

Chosen solution

Midhub; that will not solve anything here.

jfd33, if you have the Android developer option (assuming you've enabled Android developer options in the system settings), you will need to uncheck 'Don't keep activities'. This is a destructive system preference which is highly encouraged as something to not be tinkered with.

Read this answer in context 👍 0

All Replies (4)

more options

delete the files extensions.* (extensions.rdf, extensions.cache, extensions.ini, extensions.sqlite) and compatibility.ini in the Firefox profile folder (http://mzl.la/NYhKHH) to reset the extensions registry. New files will be created when required. Also check http://kb.mozillazine.org/Unable_to_install_themes_or_extensions

more options

Chosen Solution

Midhub; that will not solve anything here.

jfd33, if you have the Android developer option (assuming you've enabled Android developer options in the system settings), you will need to uncheck 'Don't keep activities'. This is a destructive system preference which is highly encouraged as something to not be tinkered with.

Modified by AaronMT

more options

thank you Midhun and AaronMT for the responses. Midhun, as far as I can see, that only applies to desktop version Firefox. I guess I should mention, I'm using Firefox mobile 20 on Android 4.1.2.


AaronMT, I do have developer options enabled, but the 'Don't keep activities' option was unchecked. that's not the problem.


any other ideas?

more options

for some reason they now all load every time I start a new browser session. not sure what happened. thanks very much!