I can't open Mozilla Firefox

I can't open icon. It was working now it isn't. How can I open it?

Hello Silvermoon6775, '''Try Firefox Safe Mode''' to see if you can open firefox with that way. [[Troubleshoot Firefox issues using Safe Mode|Firefox Safe Mode]] is a troubleshooting mode that temporarily turns off hardware acceleration, resets some settings, and disables add-ons (extensions and themes).
You can start Firefox in Safe Mode as follows:
* On Windows: Hold the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac: Hold the '''option''' key while starting Firefox.
* On Linux: Quit Firefox, go to your Terminal and run ''firefox -safe-mode'' <br>(you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
When the Firefox Safe Mode window appears, select "Start in Safe Mode".
;[[Image:SafeMode-Fx35]]
'''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, theme, or hardware acceleration. Please follow the steps in the [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] article to find the cause.
''To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
When you figure out what's causing your issues, please let us know. It might help others with the same problem.
thank you

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I can't open Mozilla Firefox because of a pop-up telling me I have a Virus. To eliminate the virus, I have to go purchase a $59.95 XP Antivirus 2012 that I can't afford, since I already have KASPERSKY protection. HELP!

When I click on the Mozilla Firefox Icon to open the internet, I get a pop-up warning me that I have "22 critical system objects" (viruses?). When I try to eliminate them I am taken to a site asking me to spend $59.95 on your antivirus program. I have KASPERSKY and can't afford another antivirus program, but I can't get past this pop-up unless I buy it. HELP!!!

This isn't a Firefox problem, it's a computer problem. Download and run Malwarebytes. That should help you out. And there are no replies because it's only been 7 minutes since you posted.
And don't buy whatever they're trying to sell you. It's a virus trying to steal your credit card information.

I can not find mozilla firefox folder in Start All Programs how can i open firefox in safe mode i am using win7 and firefox 4.ob10 ?

i can not find mozilla firefox folder in Start>All Programs> how can i open firefox in safe mode i am using win7 and firefox 4.ob10 ?

A quick workaround - Go to Start > Run, and paste this in the box: "C:\Program Files (x86)\Mozilla Firefox\firefox.exe" -safe-mode

Can't open Mozilla FF in Program Files

I print the NY Times Crossword every night. Since I got my new computer (Windows 7 Home Premium, 64 bit, Firefox 3.6.10) my bookmarked Puzzle link causes FF to crash every time.
In this forum I thought I found the fix. It said to go to Program Files/Mozilla Firefox/Components. Then look for and delete "nsBrowserOpt.dll". However, when I got to Program Files/Components/Mozilla Firefox and tried to open it, I got a popup called XUL Runner, which stated: "Couldn't read application.ini
So I can't open the Firefox program at all in program files. What do do next, about both these issues?

Please try to:
# [http://support.mozilla.com/en-US/kb/Basic+Troubleshooting#Clean_reinstall do a clean reinstall],
# [http://support.mozilla.com/en-US/kb/Firefox+crashes+when+you+open+it#Getting_your_crash_report get the crash report ids] and paste them here,
# [http://www.mozilla.com/plugincheck/ Check] that your plugins are up to date.

HOW TO STOP THE PROMPTING MESSAGE OF MASTER PASSWORD EACH TIME I OPEN MOZILLA FIREFOX?

HOW TO STOP THE PROMPTING MESSAGE OF MASTER PASSWORD EACH TIME I OPEN MOZILLA FIREFOX?

Firefox will ask for the Master Password on startup if it is needed on a page.<br />
This can be Sync or a web page that is (re)opened automatically and you have saved a name & password for this website.
You didn't confirm whether you are using Sync or not, so I don't know which of the two would apply.

Every time I open Mozilla Firefox, there is an annoying sound that won't stop, and it sounds kind of like pac man. I t won't stop, and I have no idea where it is coming from. I have tried everything. Any suggestions on what I should do?

Every time I open Mozilla Firefox, there is an annoying sound that won't stop, and it sounds kind of like pac man. I t won't stop, and I have no idea where it is coming from. I have tried everything. Any suggestions on what I should do?
== This happened ==
Every time Firefox opened
== I opened firefox today, and it won't stop.

It's just the Google homepage tribute to Pacman turning 30 today. A playable game starts up automatically, use the arrow keys to move Pacman. It's fun!
You can get Ms Pacman to appear in that game by clicking the "insert coin" button twice and using the WASD keys to move :)
You can also just change your homepage to something other than google until tomorrow.

Try to open mozilla firefox but internet explorer opens instead.

Everytime I try to open mozilla firefox, my Internet Explorer opens instead. I uninstalled firefox and downloaded it again, but it doesn't work. What can I do to fix my problem?

Possibly you are trying to open Firefox indirectly by selecting some link or HTML item, rather than using Firefox's start icon, or program shortcut.
By default on Windows IE is the chosen browser for many actions and you will need to change that if you wish Firefox to be the browser of default choice.
* See [[Make Firefox your default browser]]
* Use '''MenuButton {Three Bar Icon) -> Options {Cog Icon) -> [Make Firefox My Default Browser]'''

How can i install mozilla firefox on my iBook G4

How can i install mozilla firefox on my iBook G4

The mozilla-derived Firefox-based browser known as Tenfourfox does a fair job and is about due for code upgrade near the end of this year from version 17 to version 24. Tenfourfox can run in Tiger 10.4.11 + Leopard 10.5.8.
http://www.tenfourfox.com/
I have & use both Tenfourfox + SeamonkeyPPC versions in my PPC G4 Macs. (My third choice is iCab...)
These both play well together and can be run simultaneosly without odd effects, unlike what can happen if you were to run the original Firefox and then launch Tenfourfox; as those share resources. I use SeaMonkey PPC for my web mail login via google Notifier, and have that set as the default browser through use of Safari's preference settings. Even though my first browser choice is Tenfourfox.
You can choose to 'enable plugins' of stuff that by default is turned off in tenfourfox, for security reasons, such as an older no-longer supported version of adobe's Flash. However, video such as youtube content will often automatically work OK from most sites via Tenfourfox now.
{There's also a seamonkey 'modern version' for intel-based macs w/ later OS X, not at the seamonkeyPPC site...}
Good luck & happy computing!

Can I use Mozilla Firefox on my iphone/ipad

Ipad and iphone Can I use Mozilla Firefox

''Alan [[#question-1053782|said]]''
<blockquote>
Ipad and iphone Can I use Mozilla Firefox
</blockquote>
You may read this: [[Is Firefox available for iPhone or iPad?]]

I can't open Mozilla Thunderbird anymore (i.e. nothing happens upon clicking on it)

In my program files there is a folder of Mozilla Thunderbird and a folder Mozilla thunderbird(14). Recently (13/1/15 and 11/1/15) an uninstall folder was automatically added to the former and latter Mozilla-folder.
Since then, I can't open Mozilla thunderbird anymore. Any suggestions, besides uninstall and reinstall?
Thanks in advance,
L.

''lienv [[#question-1041952|said]]''
<blockquote>
In my program files there is a folder of Mozilla Thunderbird and a folder Mozilla thunderbird(14). Recently (13/1/15 and 11/1/15) an uninstall folder was automatically added to the former and latter Mozilla-folder.
Since then, I can't open Mozilla thunderbird anymore. A Microsoft Windows window appears that sais: Mozilla Thunderbird stopped working. Any suggestions, besides uninstall and reinstall?
Thanks in advance,
L.
</blockquote>

Cannot open Mozilla Firefox, Please help!

When I try to open Mozilla Firefox on my desktop, a pop-up appears, stating "Error: Platform version '32.0.2' is not compatible with minVersion>=32.01 maxVersion<=32.01" I don't understand what I have to do...
Thank You!

I'll go ahead and post the steps for Windows. If you don't use Windows, please ignore this.
Do not uninstall Firefox.
(1) Download a full installer for Firefox 32 from https://www.mozilla.org/firefox/all/ to a convenient location. (Scroll down to your preferred language.)
(2) Rename the Mozilla Firefox program folder
''64-bit Windows:''
C:\Program Files (x86)\Mozilla Firefox
to
C:\Program Files (x86)\OldFirefox
''32-bit Windows:''
C:\Program Files\Mozilla Firefox
to
C:\Program Files\OldFirefox
(3) Run the installer you downloaded in #1. It should automatically connect to your existing settings.
Does Firefox start and stay up?
Note: Some plugins may exist only in that OldFirefox folder. If something essential is missing, look in these folders:
* OldFirefox\Plugins
* OldFirefox\browser\plugins

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.

Whenever I try to open Mozilla Firefox my computer wants to open up OS 9.0. Does OS 9 have to open up?

When I try to open Mozilla Firefox my computer tries to open OS 9.1. Why does it have to open an old operating system? Does it have to open OS 9.1?

I don't think Firefox ever ran in OS9 so this seems very strange. What version of Firefox?
You have posted in the Tiger forum but your profile shows your OS as 9.1.
If you are using Tiger BDAqua's suggestion makes good sense.

When I try to open mozilla firefox 11 I unable to see regional language fonts I install fonts but problem was not solved.So kindly provide solution.Thanking You

Respected Sir,
When I try to open mozilla firefox 11 I unable to see regional language fonts .So kindly provide solution.Thanking You

Did you post this problem with two different user names?
*[[/questions/924333]]
If you did then please continue in the other thread.

How can i update mozilla firefox ?

How can i update mozilla firefox ?

Help > About Firefox - and if it is there, use '''Check for Updates''' - ''' usually that button only appears when the user has disabled automatic updates''

I can't open Mozilla Firefox

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