Hide toolbar using about:config

Hello. i want to automate this process.
i want to hide the menu bar, bookmarks bat and navigation toolbar using about:config or some thing similar.
i know i can just right click on the and untick them. but i need to do this automaticly user abour:config or user.js
i need this doing this way because firefox is already installed on the computers and cant go to all of them and do it manually .
thanks.

Note that your System Details List shows that you have a user.js file in the profile folder to initialize some prefs on each start of Firefox.
The user.js file is only present if you or other software has created it, so normally it wouldn't be there.
You may want to check its content with a plain text editor if you didn't create this file yourself.
The user.js file is read each time you start Firefox and initializes preferences to the value specified in this file, so involved preferences can only be changed temporarily for the current session.
See also:
*http://kb.mozillazine.org/Preferences_not_saved

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Why am I asked for a password when trying to use about;config, where is the password set and can I change/delete this?

I tried to use about:config, but I was asked for a password. I don't remember entering a password and have never used the master password function. Where has this come from, and how can I change the password or get rid of the need for a password?

Start Firefox in [[Safe Mode]] to check if one of the extensions or if hardware acceleration 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

How do I change Default search engine in the address bar, not the search window on the top right or by using about:config, doesn't work. Worked fine until this FF 8.0 update, now defaults to Yahoo 7. About to throw it in and use Chrome.

When Firefox 8.0 installed it has automatically changed my address bar default search engine to Yahoo7 which is crap. I can not change this back. So when I start FF it opens to my google home page, when I type a subject and search the results are displayed in a Yahoo 7 results page, not google. I am not talking about my default home page or the search bar to the top right. This is still google.
The settings in about:config do nothing.
This was fine until FF 8.0.

Thanks dmcritchie,
Nice effort but that answers a different question about fixing the add-on Yahoo toolbar.
Pernich and I want to know; If you type search criteria directly into the address bar and hit enter, how to change that search engine from Yahoo to Google.
Otherwise I too will go back to using Google Chrome, even though I really like FF8.0
please help

I tried to use Duck Duck Go as my default search engine for Firefox. I had google set as my default search engine. How do I fix it. Cant use about:config.

Duck Duck go won't even let me access About:config. It's like I am locked into Duck Duck go. I checked my add on manager and found nothing about Duck Duck Go there. I ran a scan on Malwarebytes Pro for any kind of virus and found nothing. I really want google as my default search engine. So far I managed to get Firefox as my main search engine. Any help would be appreciated.

What do you mean that it won't let you access the about:config page?
Can't you open the about:config page via the location bar or can't you modify prefs?
You can use the SearchReset extension to reset some preferences to the default values.
*https://addons.mozilla.org/firefox/addon/searchreset/
Note that the SearchReset extension only runs once and then uninstalls automatically, so it won't show on the "Firefox > Add-ons" page (about:addons).
If you do not keep changes after a restart or otherwise have problems with preferences, see:
*http://kb.mozillazine.org/Preferences_not_saved

How to disable flash in firefox 16.0.1 using about:config or some configurable way

We have some legacy codebase which uses a older version of firefox(16.0.1). I am struggling to find preferences to disable add-ons in firefox 16.0.1
Can some tell me the about:config configuration to disable add-ons for firefox 16.0.1
P.S:- Upgrading firefox is huge task, so avoiding it for now.

Open the Add-ons Manager by
Pressing the '''Alt''' or '''F10''' key to bring up the tool bar.
Followed by; '''Tools > Add-ons.'''
Hot key; '''<Control> ''(Mac: <Command>)'' <Shift> A)'''
On the left side of the page, select Plugins.
BTW; At the top right is a link to check your plugins.

Why doesn't firefox 19 alert when entering or leaving secure websites when this has been selected as true using about:config

Using previous version it always alerted when entering or leaving a secure website. After udating to 19.0 it stopped alerting. I checked the settings about:config and both entering and leaving secure sites were set as True. Tried disabling and then re-enabling but still no alerts.

hello pete, those warning messages were generally removed in firefox 19. for reference see [https://bugzilla.mozilla.org/show_bug.cgi?id=799009 bug #799009] (please don't post in bug reports).

Trying to sync Sharepoint calendar w/ Outlook for mac; Protocol Error; Used about:config and get same error.

I'm trying to sync a Sharepoint calendar with Outlook on my mac. When I click on "Connect to Client", I get this error:
Firefox doesn't know how to open this address, because the protocol (stssync) isn't associated with any program.
I used the about:config instructions to create a new string:
* Type about:config into the address bar and press Enter.
* Right-click -> New -> Boolean -> Name: network.protocol-handler.external.foo -> Value -> true (Replacing foo with the protocol you're specifying)
* Right-click -> New -> String -> Name: network.protocol-handler.app.foo -> Value -> /path/to/app (Replacing foo with the protocol you're specifying and /path/to/app with the path to the application you want to run.
* Ensure network.protocol-handler.expose-all is set to true.
The path I used (which opens Outlook if I click on the icon) is:
/Applications/Microsoft Office 2011/Microsoft Outlook.app
I'm still getting the same error message.
Please help me to allow Firefox to open stssync pages so that I can sync my calendars.
Thank you in advance.

Straight from the Mothership:
http://www.officeformac.com/ms/ProductForums/Office/6960
NO SHAREPOINT INTEGRATION!
To be considered a true business software, wouldn't this be a nice feature? Oh yeah, I left feedback and hope many others will as well.
On 11/12/10 9:19 AM, [email protected] wrote:
> How do I view SharePoint contacts in Outlook 2011? In windows the
> "Connect to Outlook" button is highlighted, however on a Mac it is
> greyed out and I can see no way to add them from Outlook.
''Currently, Outlook for Mac has no SharePoint integration.''
Please be sure to let Microsoft know you'd like to see this feature in
future versions by using the Help --> Send Feedback mechanism in any
Office application.
Hope this helps!

How do I disable "Exceptions" button for "Block pop-up windows" in Content tab?. I am able to Disable other Exception buttons in this tab using about:config preference.

Need a way to disable "Exception" button for "Block Pop-up windows" in Tools-> Options -> Content tab. I want to be able to do this for Locking Down Firefox preferences.
== User Agent ==
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Win64; x64; Trident/4.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0)

That button doesn't have a pref associated with it, so you can't disable that button with a pref on the about:config page or a lockPref call.
That only leaves the choice to remove that button with code in userChrome.css
<pre><nowiki>#popupPolicyButton {display:none!important;}</nowiki></pre>
See http://kb.mozillazine.org/Editing_configuration#How_to_edit_configuration_files

How to use about:config to REMOVE Delta Search from my new tab

I am desperate to remove Delta Search from my new tab page. What do I do after I open about:config? I have done at least a dozen resets, have removed DS via add/remove, am running a virus scan at present...this is TERRIBLE, and there HAS to be a way to get rid of it. When I do a reset, the new tab page is what I WANT...my previously saved pages. However, when I CLOSE FF and reopen, the new page is, once again, Delta. Can you hear me SCREAM? Can you see my TEARS? I am really fed up. Thanks for getting back to me with a solution that WORKS. jo

Why should we have to do this? I ticked the box that said I didn't want to install it. You, Delta Search, are a bunch of troublesome low lifes.

Is anyone else sick of having to use 'about:config' for custom history settings??? Or hoping that Firefox will keep your history after your next update???

I remember the days when Firefox was really customizable...
You could actually select how far back FF would remember your history...I used to have nearly two years' worth of history...before the 'new and improved' system of 'rapid releases', that is.
It's not the release cycle that p****s me off, it's the little surprises that you discover later. Some of you know what I mean, the ones that the developers don't tell you about...the ones that all of the bug fixes, security patches and new features are supposed to make us overlook or forget the things that have been removed or don't work right...
Sorry, but I'm getting tired of wondering what in the hell is going to go wrong next...

Not sure what the changes are that you refer to but I remember this blog
* http://blog.bonardo.net/2011/09/02/changes-to-places-memory-consumption-expiration-and-performances ( ''Bug 674210 - Reduce places.sqlite cache size and reorganize history expiration around the new value '' )
Reading the blog that particular change seems to have been to reduce history loss for those with lots of bookmarks.
Having glanced quickly at release notes and bug listings I did not see anything since the above that I recognised as restricting History [https://bugzilla.mozilla.org/buglist.cgi?list_id=6130699&resolution=FIXED&query_format=advanced&component=Places&product=Toolkit .]

Using about:config, I cannot change the browser.newtab.url string.

It reads, http://search.conduit.com/?ctid=CT3301020&octid=EB_ORIGINAL_CTID&SearchSource=69&CUI=&SSPV=EB_SSPV&Lay=1&UM=2&UP=SPCB20E22C-9AB3-4DEE-8734-2C360269F571.
I have tried to modify it to google.com but it will not change. The string above gives me a blank page powered by google.

Note that your System Details List shows that you have a user.js file in the profile folder to initialize some prefs on each start of Firefox.
The user.js file is only present if you or other software has created it, so normally it wouldn't be there.
You may want to check its content with a plain text editor if you didn't create this file yourself.
The user.js file is read each time you start Firefox and initializes preferences to the value specified in this file, so involved preferences can only be changed temporarily for the current session.
See also:
*http://kb.mozillazine.org/Preferences_not_saved

About:Config opens for a fraction of a second, then returns a blank page

When attempting to open Firefox's about:config page, it shows the confirm/warning screen for a fraction of a second, then seems to redirect to a blank page.
I first noticed this just after installing Minefield, which I have now uninstalled - though I do not use about:config often and the issue could have started before then.

Did you use the same Firefox 3.6.x profile folder with the Minefield 4.0 version?
You should be careful with doing that because the two versions are not compatible (some files may get upgraded; extensions.sqlite) and you can get problem if you use that profile in the future again with a 4.0 version.
Start Firefox in [[Safe Mode]] to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes). 
See [[Troubleshooting extensions and themes]] and [[Troubleshooting plugins]]
Create a new profile as a test to check if your current profile is causing the problems 
See [[Basic Troubleshooting#Make_a_new_profile|Basic Troubleshooting: Make a new profile]] 
There may be extensions and plugins installed by default in a new profile, so check that in "Tools > Add-ons > Extensions & Plugins" 
If that new profile works then you can transfer some files from the old profile to that new profile (be careful not to copy corrupted files) 
See http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

About:config in FF for Android

Hello,
I am using Firefox (version 32) on a rooted Samsung Galaxy S4 with Android 4.2.2.
I was trying to change some settings in Firefox using about:config, especially the suggestions in the urlbar from bookmarks/history. I set browser.urlbar.maxRichResults to 0, and browser.urlbar.autocomplete.enabled to false, but its still showing me lots of suggestions from my bookmarks as i start typing in the address bar and doing autocomplete. Setting the value of maxRichResults to another number like 1 also doesnt work.
I also made other changes in the about:config which were not adopted.
I tried restarting firefox (changes in the about:config are visible), I restarted my phone, wiped Firefox Cache, wiped Firefox data using Titanium Backup and tried it on the fresh Firefox, but the problem persists.
What am I doing wrong?
I really love firefox on my desktop, but if i cant make any changes in the about:config for mobile FF, then the search suggestions will drive me crazy. ;)
Any help is greatly appreciated!

Thank you for clearing that up for me, I wasnt aware that those dont apply for FF for Android. I was trying to get rid of the URL Suggestions that pop up as soon as you start typing sth in the urlbar, sourced from your history and bookmarks. I disabled them in normal Firefox by using about:config so I was hoping it'd work here too, since there is no setting for it. Thanks for answering anyway.

I lost the save and quite funtion in FF16.0.1 .about config is not working..

I have set the function of save and quite in the FF 15.0.1 However, I lost it after upgraded it to 16.0.1 .I try to use about config method .But it's not working..

Hi,
it seems I lost my other account or made some other mess.
anyway, reading this thread I think I can give you better pointers for troubleshooting than on my blog.
Please run a
dmsetup ls
once you're in the installer (thats for me to verify)
now, next, it seems all that is missing is the multipath config file in the install initrd.
If the target linux mpath (if it still exists, i don't got time for testing) is selected, then multipathd will be launched - but without a config, the internal defaults will take over, meaning you end up with the user friendly name instead of the WWN.
Basically you should be able to find the error looking at the kickstart /etc/rc and restarting multipath with new configs over and over.
Might be fun :)
It would be helpful if Oracle picked up your fixes even w/o a support contract. :)
(ranting: It'll be a festival for me when the multipath tools devs finally get around to groking the world of real sans and create a plugin api for enclosure based naming that is just 10% as good as the one in VxVM. WWIDs are a sad joke, they're intended so the OS can identify the disks well so it can present userful names to the user.
Not to let the user choose between useless udev-names and non-human-readable WWNs. And yeah, I have tried to make udev scripts for enclosure based naming. Didn't go well obviously :)

Am using Firefox 5.0.1, any new tabs open with a search engine for imvu and when I go to about:config there is no entry for browser.newtab.url that I can modify

I am using Firefox 5.0.1.4205 with Windows 7 Home Premium Service pack1. My new tabs in Firefox open with a search engine for imvu rather than google as I would prefer. I can't find an answer to my problem so far because when I try the recommended use of about:config and finding browser.newtab.url; it is not listed. Is this version of firefox to old to have that, or is it just missing? What can I do to get my new tabs to open with a Google search engine. This is on my 80 year old father's computer so he is not likely to upgrade browsers as I would on my home computer. Thank you for any help with this.

The new tab page (about:newtab) wasn't introduced until a later version of Firefox (iirc, ''Firefox 10'') , which is why that pref can't be found.
Sounds like your father picked up some Malware.
Maybe this is what you're dealing with.
http://www.shouldiremoveit.com/IMVU-Inc-Toolbar-34367-program.aspx
Also, I see a number of Plugins listed to bee concerned about.
Toolbar Plugin
MindSpark Toolbar Platform Plugin Stub for 32-bit Windows
WildTangent Games App V2 Presence Detector

Hide toolbar using about:config

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