How do I open my firefox browser?

I downloaded the firefox browser on my tablet. It says installed but it doesn't show up in my aps anywhere. Thereis no sign of firefox anywhere. I can't open, use or uninstall it because my tablet says its not there. What do I do?

Go to the Play store and see if is installed based on that. If it says it is, uninstall from there and install again.

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How do I open a Firefox browser window?

Man, is this frustrating!
I have a Samsung Galaxy 10.1. I downloaded Firefox from Google Play. I synched it. I added the "full screen" add-on. So where's the browser? I can't even get to anything that will let me type in a URL or a Google search term, much less the same bookmarks and tabs that I have on my Windows laptop -- which is what I thought "synch" was about.
I tried uninstalling and reinstalling. Didn't work. I'm stuck at a "top sites" screen that gives an array of nine tiles. Not a single one of those tiles is a Firefox browser of any kind at all. What the (blank) am I supposed to do?

Thanks for your ongoing help. (And if this winds up being a duplicate post, my apologies in advance.)
I typed about:synch-log into the address bar and got an exclamation point inside a triangle next to a boldfaced message that reads "The address isn't valid."
Below that, in a box:
The URL is not valid and cannot be loaded
Then a line then two bullet points
* Web address are usually written like http://www.example.com
* Make sure that you're using forward slashes (i.e. /)

After the latest update was completed, I couldn't open the firefox browser. I received an application error. I tried restarting the Windows OS but no change. How do I fix this?

After the latest update was completed, I couldn't open the firefox browser. I received an application error. I tried restarting the Windows OS but no change. How do I fix this?

If not this:
http://www.mcelhearn.com/deleting-the-itunes-album-artwork-cache-folder-may-reso lve-problems-with-album-art-displaying/
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- delete all music and resync
To delete all music go to Settings>General>Usage>Storage>Music>Tap edit in upper right and then tap the minus sign by All Music
- Reset all settings
Go to Settings > General > Reset and tap Reset All Settings.
All your preferences and settings are reset. Information (such as contacts and calendars) and media (such as songs and videos) aren’t affected.
- Restore from backup. See:
iOS: Back up and restore your iOS device with iCloud or iTunes
- Restore to factory settings/new iOS device.

When i open my firefox browser i get alot of windows opening at the same time

when i open my firefox browser i get alot of windows opening at the same time , this just started a couple of days ago , it is really annoying how do i fix this problem? this is the website that attacks my browser ... http://hosting.adjug.com/AdJugSearch/Results.aspx?ivi=V5PU&aid=1591&slid=116515&CacheBuster=81841886
== This happened ==
Every time Firefox opened
== july 1st 2010

The site adjug.com is a hosting site for advertising. See: http://www.robtex.com/r/x?q=adjug.com
Check your home page settings to see if they are correct: http://support.mozilla.com/en-US/kb/How+to+set+the+home+page
You may have been infected by some malware.
'''Check for Malware'''
Install, update and run these programs in this order. They are all free for personal use, but some have limited functionality in the "free mode", but those are features you really don't need to find and remove the problem that you have. ('''Not all programs detect the same Malware.''')
Malwarebytes' Anti-Malware - http://www.malwarebytes.org/mbam.php
SuperAntispyware - http://www.superantispyware.com/
AdAware - http://www.lavasoftusa.com/software/adaware/
Spybot Search & Destroy - http://www.safer-networking.org/en/index.html
Windows Defender - http://www.microsoft.com/windows/products/winfamily/defender/default.mspx
Dr. Web Cureit - http://www.freedrweb.com/cureit/
If these don't find it or can't clear it, post in one of these forums for specialized malware removal help:
http://bleepingcomputer.com
http://www.spywareinfoforum.com/
http://www.spywarewarrior.com/index.php
http://forum.aumha.org/
'''''Other Issues''''': ~~red:You have installed plug-ins with known security issues. You should update them immediately.~~
'''You''' ~~red:'''MAY'''~~ '''need to Update Adobe Reader for Firefox (aka Adobe PDF Plug-In For Firefox)''': your ver. N/A; current ver. 9.3.3 (important security update release 06-29-2010; see: http://www.adobe.com/support/security/bulletins/apsb10-15.html)
~~red:Check your version here~~: http://www.mozilla.com/en-US/plugincheck/
See: http://support.mozilla.com/en-US/kb/Using+the+Adobe+Reader+plugin+with+Firefox#Installing_and_updating_Adobe_Reader
''You may be able to update from the Adobe Reader installed on your system'' instead of going to the Adobe site and downloading. Start > Program Files, find and click Adobe Reader to open, click Help, click Check for Updates.
''If you go to the Adobe site to download the current Adobe Reader:''
-'''use Firefox to download''' and '''SAVE to your hard drive''' (save to Desktop for easy access)
~~red:-See the images at the bottom left of this post to see the steps to take on the Adobe site~~
-exit Firefox (File > Exit)
-check to see that Firefox is completely closed (''Ctrl+Alt+Del, choose Task Manager, click Processes tab, if "firefox.exe" is on the list, right-click "firefox.exe" and choose End process, close the Task Manager window'')
-double-click on the Adobe Reader installer you just downloaded to install/update Adobe Reader
*'''NOTE: On Vista and Windows 7''' you may need to run the plugin installer as Administrator by starting the installer via the right-click context menu if you do not get an UAC prompt to ask for permission to continue (i.e nothing seems to happen). See this: http://vistasupport.mvps.org/run_as_administrator.htm
*'''NOTE for IE:''' Firefox and most other browsers use a Plugin. IE uses an ActiveX version. To install/update the IE ActiveX version, same instructions as above, except use IE to download the ActiveX installer.
*Also see: http://kb.mozillazine.org/Adobe_Reader ~~red:'''''AND'''''~~ [[How do I edit options to add Adobe to the list of allowed sites]]

How can I get the Firefox browser to work with my high speed internet?

After switching from dial-up to high speed internet, I can no longer open the Firefox browser (which I was using) even after downloading the latest version. It is set for my default, but I can only use IE to browse. What else do I need to do to make it work?

You didn't tell me it was a user name password issue.
Open Keychain Access. (Applications/Utilities)
Select Passwords on the left.
Delete the Delta keychain.
Now from your Safari menu bar click Safari / Preferences then select the Autofill tab. Make sure: User names and passwords is selected.
Navigate to the Delta site. Login with your user name and password. You should be prompted to save that info to a new keychain.

Downloaded Firefox yesterday. Every time I open the Firefox browser, it starts in Safe Mode even though I have shut down and restarted my computer several times

I have Windows OS. I downloaded Firefox yesterday. Every time I open the Firefox browser, it starts in safe mode. I have restarted my machine several times -- Firefox still starts in Safe Mode. My favorites from IE copied to Firefox fine, and Firefox is now my default browser...it just keeps opening in Safe Mode.

I downloaded the toolbar. When I was done using the computer, I put it to "sleep." The next time I "woke" the computer and went to Firefox, the toolbar was gone. When I downloaded the toolbar again, I got a box in the upper left hand corner of the screen stating Firefox BLOCKED the toolbar, and did I want to allow it. There was NO option to allow always-it's just a one time deal. When I shut down for the day, I expected it to remain, but no-next time I fired up firefox, NO TOOLBAR. I pulled up Inbox dollars again, clicked on download toolbar, got the box stating it's blocking the toolbar, etc, etc, etc. Unless Firefox upgrades daily, or in some cases, several times in one day, I'm going to stick with my description that the toolbar magically disappears EVERY TIME I OPEN
FIREFOX!!!
I don't profess to be any type of computer whiz, I'm totally self-taught, and it's not beyond the realm of possibility that I'm doing something wrong. I've been using Firefox for about a week, so I'd welcome any help!

Updated to Firefox 21 and when I open the firefox browser it ask me to update to the latest version

I finally updated to Firefox 21 and today when I opened the Firefox browser, my google homepage looks odd and a large message from Firefox appears saying I need to update to the latest version of Firefox. I double checked the version and I have version 21.
I also don't know if this has anything to do with my current problem. A pop up window is suddenly appearing just after I turn on my PC, at first I thought it was triggered by Firefox. It's a security warning saying the certificate from GEOtrust SSL CA isn't a trusted certification authority for javadl-esd-secure.oracle certificate. I just find it odd that this message just started a few days ago and now after updating Firefox to the latest version, it's still telling me to update. Thanks

Hello,
The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information.
Note: ''This will cause you to lose any Extensions, Open websites, and some Preferences.''
To Reset Firefox do the following:
#Go to Firefox > Help > Troubleshooting Information.
#Click the "Reset Firefox" button.
#Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
#Firefox will open with all factory defaults applied.
Further information can be found in the [[Reset Firefox – easily fix most problems]] article.
Did this fix your problems? Please report back to us!
Thank you.

I can only open one Firefox browser window. When I click the firefox icon from desktop or taskbar to open up another browser window it does not open. I am ablt to open up new tabs within the one window.

I can only open one Firefox browser window. When I click the firefox icon from desktop or taskbar to open up another browser window it does not open. I am ablt to open up new tabs within the one window.

Have you tried: click Firefox button > New Tab > New Window '''''OR''''' CTRL+N '''''OR''''' File > New Window (if using the Menu Bar)
Once open, Firefox locks the Profile that is in use and you can not open another window with that Firefox version and Profile combination using the Windows Desktop icon or the Windows Programs list.

Each time I open my Firefox browser, the tab from the last time opens. I have the browser set to open on my home page, not to the tab from the last time. I keep trying to save the setting for the browser to open on my home page but it doesn't.

Each time I open my Firefox browser, the tab from the last time opens. I have the browser set to open on my home page, not to the tab from the last time. I keep trying to save the setting for the browser to open on my home page but it doesn't.

Try to create a new profile as a test to check if your current profile is causing the problems.
See "Basic Troubleshooting: Make a new profile":
*https://support.mozilla.org/kb/Basic+Troubleshooting#w_8-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" in case there are still problems.
If the new profile works then you can transfer some files from the old profile to that new profile, but be careful not to copy corrupted files.
See:
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox
Do a malware check with some malware scanning programs on the Windows computer. 
You need to scan with all programs because each program detects different malware. 
Make sure that you update each program to get the latest version of their databases before doing a scan. 
*http://www.malwarebytes.org/mbam.php - Malwarebytes' Anti-Malware
*http://www.superantispyware.com/ - SuperAntispyware
*http://www.microsoft.com/security/scanner/en-us/default.aspx - Microsoft Safety Scanner
*http://www.microsoft.com/windows/products/winfamily/defender/default.mspx - Windows Defender: Home Page
*http://www.safer-networking.org/en/index.html - Spybot Search & Destroy
You can also do a check for a rootkit infection with TDSSKiller.
*http://support.kaspersky.com/viruses/solutions?qid=208280684
See also:
*"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

Each time I open my Firefox browser, the following web page opens. Has my browser been hijacked? http:former/v18/?v=18&cid=4151&clickid=0066992567558218278&a=

Please help me get rid of the following web page that appears each time I open the Firefox browser. It appears as a separate page behind the browser window, and each time I close it. Very annoying -- has my version of Firefox been hacked? I have run Norton complete scan, etc. -- no problem detected. Here is the web page -- http://www.appround.biz/lp/videoperformer/v18/?v=18&cid=4151&clickid=0066992567558218278&a=1 == and this is the message on that page --
There is a new Video Player version. Install new version now for better performance

You should never install software or a Firefox extension when a website asks you to do this as this is likely an effort to install malware.
You can check the target line in the Firefox desktop shortcut (right-click: Properties) to make sure that nothing is appended after the path to the Firefox program.
Your System Details List shows the Default Tab 2.3.1 and the SafeSearch 2.1 extensions.
Do a malware check with some malware scanning programs on the Windows computer. 
Please scan with all programs because each program detects different malware. 
All these programs have free versions.
Make sure that you update each program to get the latest version of their databases before doing a scan.
*Malwarebytes' Anti-Malware: http://www.malwarebytes.org/mbam.php
*AdwCleaner: http://www.bleepingcomputer.com/download/adwcleaner/ http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml
*SuperAntispyware: http://www.superantispyware.com/
*Microsoft Safety Scanner: http://www.microsoft.com/security/scanner/en-us/default.aspx
*Windows Defender: Home Page: http://www.microsoft.com/windows/products/winfamily/defender/default.mspx
*Spybot Search & Destroy: http://www.safer-networking.org/en/index.html
*Kasperky Free Security Scan: http://www.kaspersky.com/security-scan
You can also do a check for a rootkit infection with TDSSKiller.
*Anti-rootkit utility TDSSKiller: http://support.kaspersky.com/5350?el=88446
See also:
*"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

Everytime i open the firefox browser i get a message in the task bar that an attempt is being made by another to modify the site. How do I fix the problem?

firefox is the default browser in my PC. Every time i open firefox browser a notification appears in the right hand bottom of the screen with the attempt at modification message. It just flashes on and then off. I have clicked on the settings button in the warning message and confirmed the keep the current screen option. But, it keeps appearing. Help?

Hello MrNeuf,
I would recommend releasing and renewing the IP lease on the affected computer. The following article provides further information and details the process of doing so.
Mac OS: How to release and renew a DHCP lease
http://support.apple.com/kb/TS1920
Cheers,
Allen

How can I create two different home pages or set up two different tabs when I open my firefox browser?

I want to open up my Firefox browser and have two different tabs on my home page. How do I do that? Thanks!

http://support.mozilla.com/en-US/kb/How+to+set+the+home+page

How do I disable the "Plug-In Check" window from popping up everytime I open my firefox browser? It is totally annoying...thanks

Every time I open firefox browser a very ANNOYING "Plugin Check Window" pops up. My plugins are up to date. I don't want this reminder....PLEASE let me know how to disable it...thanks

I discovered that Flash gets disabled after making this about:config change. Firefox claims that Flash is "out of date" when the latest version is installed. So if you use Flash, this tweak won't work.
I don't really need my browser telling me what I can and can't run...

How can I undo the firefox browser refresh and get my old browser & settings, etc. back?

I accidentally did the browser refresh yesterday (2-17-2015) without reading further down the page on what that would do. It of course gave me a fresh browser. The problem is I lost my customized appearance (Dark blue fox, I believe), the add-ons I really have come to really on, etc. Firefox did create a folder with the old settings. I'm not that savoy understanding how to get that folder to open, run, whatever it takes to put all the things I want back into working order on the firefox browser. Please excuse my lack of proper terminology, jargon, etc. I know enough to be confused and everything I have learned IT has come from stumbling through it over the last 15 years of having my own PC.
Any help would be greatly appreciated!
Please keep any solution details as plain and simple for a novas to understand and execute as possible.
Many, many Thanks, Ottodewy

When you reset (refresh) Firefox then a new profile is created and some personal data (bookmarks, history, cookies, passwords, form data) is automatically imported and the current profile folder will be moved to the desktop to an "Old Firefox Data" folder.
Installed extensions and other customizations (toolbars, prefs) that you have made are lost and need to be redone.
It is possible to recover data from the old profile, but be cautious not to copy corrupted files to avoid carrying over problems.
*https://support.mozilla.org/kb/Recovering+important+data+from+an+old+profile
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox
Note that is is also possible to use the Profile Manager to create a new profile.
That way the current profile isn't moved to the desktop, so you can return to it at any time.
*https://support.mozilla.org/kb/Managing+profiles

I would like to open a Firefox browser with multiple tabs per topic, like work1/work2/hobby and see that given name in the taskbar, instead of the tab-name

I usually open a new browser window per subject, let's say I'm shopping online for something and open about 5 tabs for that, but in the same time I am working on 2 systems which are lookalike, but defenitely should not be mixed average 6 tabs open per subject. Also I read something on my hobby and I open another window and want to read a few tabs on that.
I don't want them to mix and preferably I'd like to see a self-chosen subject for a minimized window in the taskbar.
Is there a feature like this or is it possible to add a feature like this?

Another alternative by the way maybe to use multiple Firefox profiles. I will give more information on that if required. It is fairly easy if you are used to using computers but not something this forum officially supports with KB articles.
The bult in Tabs groups sounds more like what you want. Did you try that ?
As for trying to interest Developers. You could make a comment using ''feedback'' but I would not hold out much hope unless you yourself know a developer willing to undertake the coding and press for its use. Maybe you would be more likely to interest and get something from add-on developers, assuming a similar add-on does not already exist.
The people who answer questions here, for the most part, are other Firefox users volunteering their time (like me), not Mozilla employees or Firefox developers.
If you want to leave feedback for Firefox developers, you can go to the Firefox ''Help'' menu and select ''Submit Feedback...'' or use [https://input.mozilla.org/feedback this link]. (You'll need to be on the latest version of Firefox to submit feedback). Your feedback gets collected at http://input.mozilla.org/, where a team of people read it and gather data about the most common issues.

How do I open my firefox browser?

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