After latest update a few minutes ago, Firefox won't open any web pages.

I was on a local web page run by a local server on my intranet. Firefox was not open. I opened it (the last time it worked successfully was a few hours ago). It did an update. After the update, it tried to open a Firefox web page - that failed. The local web page I was on would not open either. The web pages still work from Internet Explorer.

Can you start Firefox in [[Safe Mode|Safe Mode]] by holding down the Shift/Options key?
Start Firefox in [[Safe Mode|Safe Mode]] to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
*Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
*Do NOT click the Reset button on the Safe Mode start window
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
You can try to reinstall Firefox.
Do a clean reinstall and delete the Firefox program folder before (re)installing a fresh copy of the current Firefox release.
*Download the full Firefox installer and save the file to the desktop https://www.mozilla.org/en-US/firefox/all.html
If possible uninstall your current Firefox version to cleanup the Windows registry and settings in security software.
*Do NOT remove "personal data" when you uninstall your current Firefox version, because this will remove all profile folders and you lose personal data like bookmarks and passwords including data in profiles created by other Firefox versions.
Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
*(32 bit Windows) "C:\Program Files\Mozilla Firefox\"
*(64 bit Windows) "C:\Program Files (x86)\Mozilla Firefox\"
*It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
*http://kb.mozillazine.org/Uninstalling_Firefox
Your bookmarks and other personal data are stored in the Firefox profile folder and won't be affected by an uninstall and (re)install, but make sure NOT to remove personal data when you uninstall Firefox as that will remove all Firefox profile folders and you lose your personal data.
If you keep having problems then also create a new profile.
*http://kb.mozillazine.org/Profile_folder_-_Firefox
*http://kb.mozillazine.org/Profile_backup
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall
Do a malware check with several 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: http://windows.microsoft.com/en-us/windows/using-defender
*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

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Safari update to 5.1.5, on snow leopard, now safari won't open any web page.

Just installed Safari update to 5.1.5 and now Safari won't load any web page. Running snow leopard on an iMac. How do I fix, or revert to previous version of Safari that did work, keeping in mind, can't access internet on that computer since Safari won't load a web page (Firefox, Chrome, Opera have never worked on that computer, although Firefox worked fine until I upgraded OS to snow leopard).

Please read this whole message before doing anything.
This procedure is a test, not a solution. Don’t be disappointed when you find that nothing has changed after you complete it.
Step 1
The purpose of this step is to determine whether the problem is localized to your user account.
Enable guest logins and log in as Guest. For instructions, launch the System Preferences application, select Help from the menu bar, and enter “Set up a guest account” (without the quotes) in the search box.
While logged in as Guest, you won’t have access to any of your personal files or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
Test while logged in as Guest. Same problem(s)?
After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
Note: If you’ve activated “Find My Mac” or FileVault in Mac OS X 10.7 or later, then you can’t enable the Guest account. Create a new account in which to test, and delete it, including its home folder, after testing.
Step 2
The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode and log in to the account with the problem. The instructions provided by Apple are as follows:
Be sure your Mac is shut down.
Press the power button.
Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone, but not before the tone.
Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem(s)?
After testing, reboot as usual (i.e., not in safe mode) and verify that you still have the problem. Post the results of steps 1 and 2.

Firefox will not open any web pages including its own introduction pages.

I downloaded Firefox to try out.
When I first opened Firefox on this computer, it failed to open any web pages and continues to do so.
I have downloaded it on two other laptops with the same configuration with no issues.
Google Chrome is working on this machine.

Update..when I open firefox from scratch, the main firefox pages on the home page seem to work. But as soon as I try to go anywhere else, IE going to a website in the address bar or even trying to access the defauly bookmark links, it just sits there loading but never brings anything up.

I just updated to 3.6.11 and now firefox won't load any web page

I just updated to 3.6.11 and now firefox won't load any webpage it
just times out I tried diableing add-ons no difference. I't on internet exploers now. Tried rebooting.

Do you use McAfee Antivirus/Firewall/Security products? McAfee released a security update that is blocking Firefox 3.6.11. This should be cleared up with the next McAfee update.

After I boot up from standby, Firefox won't load any web pages

If I let the computer go into standby on it's own, once I start it up again and open Firefox, it won't load any webpages...the wireless icon in the taskbar is showing connection, but nothing happens other than the address bar on Firefox says "loading"

I had this problem too. Running 32 bit Vista on a Toshiba Satellite U305 laptop. When you fold the lid it doesn't matter if Firefox is running or not, when you open it and the system wakes up, then Firefox 7.0.1 doesn't work any longer. Firefox either will not load if it wasn't running when the system went to sleep or it will soon hang if it was running. I started having this problem 2 weeks ago and have since then been uninstalling and reinstalling software that recently updated, checking configurations etc of ZoneAlarm, AVG, Acronis, etc. but nothing I did seemed to resolve the problem. Then this morning I was about to rebuild my system and remembered something I did a couple of weeks ago, install iTunes to support a used iPhone I was given.
I decided to try removing iTunes before undertaking a rebuild and this fixed the problem. Now that I think about it, I installed iTunes on this laptop when it was new and had to remove it because it slowed it down so much. It looks like they resolved a lot of iTunes performance degradation over the years but iTunes still appears to slow your system down and obviously, now also stops Firefox from working. Whose fault is it, Microsoft, Firefox or iTunes? Good luck having them work it out :-). Removing iTunes resolved my own problem. I can live without iTunes but not without Firefox :-)
Note: When the problem occurs, firefox.exe is running in the task manager but you can't kill it. Another problem for the research team. My own research found that MS Vista turns out to be one of the few OS's in the world that doesn't always provide for killing a process. (Lucky me for buying a laptop that has no XP drivers and doesn't warrant the expense of upgrading to 7). Reason for the kill problem? From what I understand, a kill instruction requested of Vista has it asking an application for permission before doing so. Problem is, hung applications rarely reply "sure go ahead".
///// UPDATE:////////
After 12 hours and 4 iterations of putting the laptop to sleep and waking it up, the problem has now recurred. So uninstalling iTunes is not the solution (although it seemed to help at first). Sorry if this confused anyone. My plan now it to regress to an older version of Firefox and see if that fixes the problem. However, I probably need a fresh install anyway after 3 years of overcrowding.

Firefox won't load any web pages but my other browser will

i updated to firefox beta. It ran for one day. Since then it loads a blank white page and won't go to any web sites. I don't get an error message or anything. It just sits there.

http://support.mozilla.com/en-US/kb/Firefox%20cannot%20load%20websites%20but%20other%20programs%20can?s=won%27t+load+pages&r=2&as=s
This was the problem with mine. I had to remove mozilla firefox from my trusted programs in my antivirus firewall settings and then open firefox... it added it back in. The problem occured when my AVG updated.

Firefox won't run any web pages or go to any URL's. All I get is a blank page.

Firefox started crashing when I used Facebook. I upgraded to the new version and got lots of "memory cannot be read" errors which would crash the program. I installed the Beta version and now all that happens is I get a blank white page. I can't go to any web sites or load any URLs. Bookmarks do not work. I have had to switch to IE for the time being and it runs everything just fine so I know it's not the computer or the web connection. I made sure my proxy settings are correct and I tried disabling Firefox from my firewall and re-adding it, and still no luck. Nothing I do seems to work!

See http://kb.mozillazine.org/Firefox_crashes and [[Firefox crashes]]
If you have submitted Breakpad crash reports then post the IDs of one or more Breakpad crash reports (bp-xxxxxxxx-xxxxxxxxx-xxxx-xxxxxxxxxxxx). 
You can find the IDs of the submitted crash reports on the about:crashes page. 
You can open the about:crashes page via the location bar, just like you open a website. 
See: http://kb.mozillazine.org/Breakpad (Mozilla Crash Reporter) and [[Mozilla Crash Reporter|Mozilla Crash Reporter: Breakpad]]

I installed Firefox and it won't open any web pages at all, why?

No matter what web address I type in nothing comes up. Even have tried clickig on the 'Getting Started' button and it won't open either.

Hi robertoberlin,
Could you give me some extra information and I'll try to help.
* Does safari work/load pages?
* What error do you get?
* What kind of connection are you on? Wifi? At home? At a school / university?

After exiting proxifier software while web pages are still open in firefox, I could not open any web pages unless firefox is restarted. Plz help me.

I have a problem with Firefox when using Proxifier software. When proxifier is runing and I'm browsing web pages with firefox all things is OK. But after exiting proxifier while web pages are still open in firefox, I encounter a problem. In spite of the internet is still connected but my firefox could not open any web pages unless firefox is restarted.
You are kindly requested help me how to solve this problem not to restart firefox.

Hi,
[http://proxifier.com/ Proxifier] seems to be a transparent proxy. So you could try setting '''No proxy''' in Firefox '''Tools''' ('''Alt''' + '''T''') > '''Options''' > [https://support.mozilla.org/en-US/kb/advanced-settings-browsing-network-updates-encryption Advanced] > '''Network''' > '''Settings'''.
PS: A quick way to restart Firefox is to press [https://developer.mozilla.org/en-US/docs/Tools/GCLI '''Shift''' + '''F2'''], type '''restart''', and hit '''Enter'''.
[https://support.mozilla.org/en-US/kb/Options%20window Options]

Just updated to 8 & now I can't open any web pages & firefox is still running in the background after browser was closed. I uninstalled and reinstalled as well as disabled add-ons and plugins nothing has changed, can I downgrade back to on older version?

Just updated to 8 & now I can not open any web pages as well as firefox will not close out, it still running in the background after browser was closed. I uninstalled and reinstalled as well as disabled add-ons and plugins nothing has changed, can I downgrade back to on older version?

See "Hang at exit":
*http://kb.mozillazine.org/Firefox_hangs
See "Firefox hangs when you quit it":
*https://support.mozilla.com/kb/Firefox+hangs
A possible cause is security software (firewall) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
See:
*https://support.mozilla.com/kb/Server+not+found
*https://support.mozilla.com/kb/Firewalls

After upgrading to 9.0.1 Mozilla Firefox for my pc, Firefox will not load any web pages.

After upgrading to 9.0.1 Mozilla Firefox on my pc, Firefox will not load any web pages whatsoever, not even itself. My OS is Windows Vista 64. Thanks for any help. (Having to use Internet Explorer presently.)

Perform the suggestions mentioned in the following articles:
* [https://support.mozilla.com/en-US/kb/Template:clearCookiesCache/ Clear Cookies & Cache]
* [[Troubleshooting extensions and themes]]
* Update All your Firefox Plugins -> [https://www.mozilla.org/en-US/plugincheck/]
** '''When Downloading Plugins Update setup files, Remove Checkmark from Downloading other Optional Softwares with your Plugins (e.g. Toolbars, McAfee, Google Chrome, etc.)'''
Check and tell if its working.

I'm using Windows 8.1 and the browser won't load any web page. I downloaded the latest one from the website. Any help would be great. All other browsers work.

I'm using Windows 8.1 and the browser won't load any web page. I downloaded the latest one from the website. Any help would be great. All other browsers work.

Hi curtismoxam,
Please try these troubleshooting steps: [[Fix problems connecting to websites after updating Firefox]]

Safari on iPod touch will no longer open any web pages even after reset.

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hello susnyk, please see [[Fix problems connecting to websites after updating Firefox]] &
[[Firefox can't load websites but other browsers can]]

Firefox will not load any web pages

Firefox will not load any web pages. I have tried every suggestion on the support page, deleted the program and reinstalled it 4 times, and ran a malware scan. None of these have solved the problem.

Hi JessN37,
We've got a whole [https://support.mozilla.org/en-US/kb/web-pages-dont-load troubleshooting section on failure to load pages]. Have you looked through any of that information? There is a ton of useful stuff there.
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After latest update a few minutes ago, Firefox won't open any web pages.

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