Why can't Firefox cannot load certain applications on certain sites like a whole chatroom, video player or the reply box on a forum?

When I was ask to join this site ( the mozilla support site), firefox was unable to display the register or log in page, all i saw was the page getting darker and an unmoving white rectangle.
Also when I got certain site to watch a video like animefreak.com the video player will never appear, I have to use internet explorer to watch it.
There are some sites where the chatroom simply doesn't appear and others where I can't even use the reply box in the forum

Recently both the Yahoo! Toolbar extension and the Babylon extension have been reported to cause an issue like that. Disable or uninstall those add-ons.
* https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

Similar Messages

Firefox cannot load certain websites and I've tried all suggested options to fix the problem.

I cannot load certain websites (my bank, some public/civic offices, etc.) on Firefox or Internet Explorer (I usually use Firefox) and have tried all the suggested options in Firefox Help to remedy this problem: clearing cache and cookies, making sure no proxy is selected, allowing cookies). How do I fix this? I use a broadband internet connection that is shared.

Start Firefox in 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).
 To Enable SafeMode 
*You can open Firefox 4.0+ in Safe Mode by holding the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* Or open the Help menu and click on the '''Restart with Add-ons Disabled...''' menu item while Firefox is running.
*''Once you get the pop-up, just select "'Start in Safe Mode"''
If it works in Safe Mode and in normal mode with all extensions (Tools > Add-ons > Extensions) disabled then try to find which extension is causing it by enabling one extension at a time until the problem reappears.
Close and restart Firefox after each change via "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: "Firefox > Quit Firefox"; Linux: "Firefox/File > Quit")
* https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

Firefox cannot load certain website

Firefox cannot load this website
http://homewhere.sg/

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.org/kb/Safe+Mode
If images are missing then check that you aren't blocking images from some domains.
*Check the permissions for the domain in the current tab in "Tools > Page Info > Permissions"
*Check that images are enabled: Tools > Options > Content: [X] Load images automatically
*Check the exceptions in "Tools > Options > Content: Load Images > Exceptions"
*Check the "Tools > Page Info > Media" tab for blocked images (scroll through all the images with the cursor Down key).
If an image in the list is grayed and there is a check-mark in the box "Block Images from..." then remove that mark to unblock the images from that domain.
Make sure that you do not block third-party images, the permissions.default.images pref should be 1.
*http://kb.mozillazine.org/Images_or_animations_do_not_load
There are also extensions (Tools > Add-ons > Extensions) and security software (firewall, anti-virus) that can block images.
*http://kb.mozillazine.org/Images_or_animations_do_not_load
*https://support.mozilla.org/kb/Images+or+animations+do+not+show

Firefox cannot load certain websites

Dear FireFox supporters .
First of all, I would like to apologize for my bad english, it is not my nativ language.
I have FF22 on Windows 7 .
I don't know what happen but Suddenly some site couldn't be on opened , For example i can open Youtube & Google translate but Can't open Gmail or Facebook and several other sites .
I've tried the next steps :
*Reset firefox
*Use on safe mode
*Reinstall (uninstalled + delet folder on program files + install from scratch) (saved the personal data)
*Disables proxy
*Disabled all my extensions
*Deleted all my cookies & history ( and checked to allow receive ones)
*Checked my java settings
*Turend windows firewall off
*Run an updated antivirus scan 02.07.13 AVG free edition (found nothing)
*Download & scaned my computer with Malwarebytes . (although it find 9 objects it doesn't seems to matter .. )
Non of this Worked ! there is no problems when i working on chrome , but i love my FF & dont want to switch.
I'm Frustrated , already spent hours trying to repair it .
Please HELP ME ! (since its my first time using such forum i don't exactly know where do i supose to get the answers, i would be glad if you could send your answers to [email protected] )
Best Regards K.B
p.s
(i just discovered that my Babylon 9 doesn't work either )

Hello kadur778, if you cannot open websites that needs login (username and password) like Gmail or Facebook then delete the cookies.sqlite file and any cookies.sqlite-journal files in [http://kb.mozillazine.org/Profile_folder_-_Firefox#Windows profile folder] and restart firefox.
see for more info : [https://support.mozilla.org/en-US/kb/fix-login-issues-on-websites-require-passwords#w_remove-corrupt-cookies-file Remove corrupt cookies file]
thank you

Firefox sometimes loads certain sites, most times won't load.

After I installed the noscript addon, it seems my firefox won't load certain pages. Firefox also updated itself on the same day.. which of these two are my problem? Some videos will also not load(e.g. youtube videos will say an error has occurred and keeps telling me to try later). It was fine yesterday... but today it seems all messed up. and Yes I have allowed noscript to allow these sites... I just don't know whats wrong..
== URL of affected sites ==
http://www,arcadeprehacks.com , youtube.com, forums.malwarebytes.org

After I installed the noscript addon, it seems my firefox won't load certain pages. Firefox also updated itself on the same day.. which of these two are my problem? Some videos will also not load(e.g. youtube videos will say an error has occurred and keeps telling me to try later). It was fine yesterday... but today it seems all messed up. and Yes I have allowed noscript to allow these sites... I just don't know whats wrong..
== URL of affected sites ==
http://www,arcadeprehacks.com , youtube.com, forums.malwarebytes.org

Two Issues: Cannot connect to wireless networks; Cannot load certain sites

Hey everybody,
I have a MacBook Pro 15".
In just the past week, I've stumbled upon two sudden problems with my network/internet connectivity.
First, I can no longer connect to wireless networks, be it an infrastructure point or computer-to-computer ad-hoc networks. I'm not really sure why. I installed the latest AirPort Update (4.2.3, according to System Profiler). I also recently installed both iStumbler and KisMac v.21. When I started having issues, I thought that maybe one of these two programs might be the culprit, so I uninstalled both of them but I still have the same problem.
Second, I've had issues with not being able to connect to certain websites. I use both Safari and BonEcho as my browsers. The specific sites seem random:
www.weffriddles.com
www.macrumors.com
images.google.com
sports.yahoo.com
finance.yahoo.com
to list a few.
If you need any diagnostic information, please let me know.
Thanks in advance for any advice/help you can provide!
Tommy H.
MacBook Pro Mac OS X (10.4.9) browsers: Safari, BonEcho/ Airport Driver Version: 4.2.3

If you are trying to connect to a third-party router using WPA or WEP, there is a good chance that your Airport card was broken by Apple's 2007-02 Airport Update. There is no fix, and for many of us, our Macbooks and Macbook Pros are useless for wireless connections until Apple fixes the issue. At this point, Apple seems to be denying that there even is an issue, so we may all be in for a long wait indeed.
See this thread if you have some time:
http://discussions.apple.com/thread.jspa?threadID=883021&tstart=0

Firefox cannot open certain sites

When I try to log onto a secure website, such as a bank or tax office, when you hit the log on button, firefox opens a new window, not in a tab, with just the address bar at the top saying search bookmarks and history, and goes no further. This has only happened recently, the problem does not occur in safari.

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]]

Firefox cannot load websites(facebook) but other programs can

after i have upgrade firefox cannot load websites(facebook) but other programs can, i cannot see my friend whose is online,and cannot chat with them, cannot share video ....what should i do?

A good place to ask advice about web development is at the mozillaZine Web Development/Standards Evangelism forum. 
The helpers at that forum are more knowledgeable about web development issues. 
You need to register at the mozillaZine forum site in order to post at that forum. 
See http://forums.mozillazine.org/viewforum.php?f=25

Firefox cannot load websites but other programs can

Firefox cannot load any webpages, but IE can.
I have tried everything suggested. This problem happened befoer I updated Firefox and did not resolve after I updated firefox.
I tried changing internet settings, disabling firewall, and even disabling IVP6, but nothing is working.

Have you already seen [[firefox cannot load websites but other programs can]]
*What exactly happens, or does not happen and do you get any error messages ?
*Is it all websites you have a problem with, or only some ?
* What happens if you work offline, can you load web pages that are saved on your own computer ? (save something with IE, -as HTML web page files - maybe this page, then try opening it with both Firefox and IE)
Can you use firefox to look at your local disk such as (depending on your setup) ''file:///C:/''
Try checking security settings, and security logs, is firefox being blocked ?

Firefox cannot load websites, but IE can, even after I tried all the ideas in the current articles on this topic as of March 10, 2011!

Firefox cannot load ANY websites, but IE can, even after I tried all the ideas in the current articles on this topic as of March 10, 2011!
One day it was fine, and the next day it stopped working! I have tried everything suggested under the topic "Firefox cannot load websites but other programs can."

You should e able to install FlashPlayer separately on IE and Firefox. So you may use Flash 11.3 on IE and 11.2 or 10.3 on Firefox.
Work from the administrator account. First of all sort out Firefox, use the Adobe uninstaller to uninstall Flash before reinstalling 11.2 Afterwards check that IE is ok, the Uninstaller may have changed that so you may need to reinstall Flash on IE.
* see instructions in [[flash 11.3 crashes]]
You are apparently using an outdated Firefox 8. That is not secure you should update to the latest Release Firefox 13 (or within a day or so Firefox 14)
You may also encounter problems relating to use of RealPlayer software and that software may affect use of FlashPlayer 11.3
* see also [[Fix problems with RealPlayer add-ons]]
* a user ''blacksabath710'' recently posted a workaround in [/questions/931055] suggesting use of free software from http://www.dvdvideosoft.com/
P.S.
When you finish set Firefox's FlashPlayer not to upgrade, and until this issue is resolved do not follow suggestions from Adobe, or Plugincheck etc. to upgrade Flash.
Use this test page form Adobe in each browser and account to check Flash is working ok
* http://helpx.adobe.com/flash-player/kb/find-version-flash-player.html
The test page will display version information and error messages or a Flash animation to prove flash is working.

Firefox cannot load all websites in e10s window. But Firefox can load all websites in e10s window.

Firefox cannot load all websites in e10s window. But Firefox can load all websites in e10s window.
It shows mostly, Tab crashed Well, this is embarrassing.
Well, this is embarrassing. We tried to display this Web page, but it's not responding.
Tell Mozilla about this crash so they can fix it.
Or sometimes for the last tab it shows :
Websites show a spinning wheel and never finish loading
Of course other browsers works 'perfectly' onto loading sites.
What can I do. Is this an e10s bug, that I could help to qualify and how?
Also looking for a workaroud. I want to restore my tabs onto a non-e10s window, but really don't figure how to do that. Means, after relaunching FF-nightly, restore my windows and tabs.
He still give me this message :
Nightly is having trouble recovering your windows and tabs. blah blah...
I want to disable e10s as of for now, until he will maybe work again.

If you would like to disable e10s please follow these steps:
https://wiki.mozilla.org/Electrolysis#Enabling_and_Disabling_Electrolysis
Don't worry e10s is getting better every day. It's just a matter of time and hard work.

Firefox cannot load websites but other browser can

background - family community home pc...mozilla worked great for the longest time (along side IE)...all of a sudden mozilla can't connect to any website...IE always can (yuk)
troublshooting steps (still can't connect to web w/firefox):
1. Removed Mozilla, re-installed, same results
2. Searched for all mozilla folders. Deleted two folders and also daughter's mozilla iphone folder. Removed Mozilla, re-installed, set connection to "no proxy", same results.
3. Ran "House Call" - no malware found.
Help! do not like IE!

Have you already seen [[firefox cannot load websites but other programs can]]
*What exactly happens, or does not happen and do you get any error messages ?
*Is it all websites you have a problem with, or only some ?
* What happens if you work offline, can you load web pages that are saved on your own computer ? (save something with IE, -as HTML web page files - maybe this page, then try opening it with both Firefox and IE)
Can you use firefox to look at your local disk such as (depending on your setup) ''file:///C:/''
Try checking security settings, and security logs, is firefox being blocked ?

Firefox cannot load websites, but other programs can. Listed guide/faq not effective.

I went through the FAQ guide for firefox not loading webpages, but after having changed both boolean setting in the about:config section of the firefox advanced settings, deleting and re-adding it to the program permissions list in my firewall (mcafee antivirus 2011), and even attempting to completely disable the firewall for a period of time, I am still unable to browse the internet on firefox. Internet explorer, however, does work.

Have you already seen [[firefox cannot load websites but other programs can]]
*What exactly happens, or does not happen and do you get any error messages ?
*Is it all websites you have a problem with, or only some ?
* What happens if you work offline, can you load web pages that are saved on your own computer ? (save something with IE, -as HTML web page files - maybe this page, then try opening it with both Firefox and IE)
Can you use firefox to look at your local disk such as (depending on your setup) ''file:///C:/''
Try checking security settings, and security logs, is firefox being blocked ?

All website went "Not Found HTTP Error 404. The requested resource is not found." and the "Firefox cannot load websites but other programs can" page is not help

''dupe of https://support.mozilla.org/en-US/questions/928117''
all website went "Not Found HTTP Error 404. The requested resource is not found." and the "Firefox cannot load websites but other programs can" page is not helping in any ways

A possible cause is security software (firewall,anti-virus) 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 and the plugin-container 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.org/kb/Server+not+found
*https://support.mozilla.org/kb/Firewalls
*http://kb.mozillazine.org/Error_loading_websites
You can try to reset (power off/on) the router.

Firefox cannot load pages that other browsers can, but the 'help' page for this issue did not fix the problem.

I am troubleshooting an issue occurring on a family member's pc. Immediately after changing their "search" settings from "Yahoo search" to "Google search", they found that Firefox was unable to load any webpages. After troubleshooting the problem, I found the "Firefox can't load websites but other browsers can" help page, and attempted each of the solutions listed. None of those solutions fixed the issue. Also, I uninstalled and re-installed Firefox; the issue persists. However, the 'new' version of Firefox remembered the tabs left open when the 'old' version was deleted, so some temporary files likely persisted.
Are there any other steps that can be taken, or is Firefox on this computer no longer an option?

Start with this;
Type '''about:preferences#advanced'''<Enter> in the address bar.
Under '''Advanced,''' Select '''Network.'''
Look for '''Configure How Firefox Connects''' and press the '''Settings''' button.
Check the settings.
Some problems occurs when your Internet security program was set
to trust the previous version of Firefox, but no longer recognizes your
updated version as trusted. Now how to fix the problem: To allow
Firefox to connect to the Internet again;
* Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
* Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see
'''[https://support.mozilla.org/en-US/kb/configure-firewalls-so-firefox-can-access-internet Configure firewalls so that Firefox can access the Internet.]''' {web link}
If there is still a problem, go to that computer and do this;
Type '''about:support''' in the address bar and press '''Enter.'''
Under the main banner, press the button; '''Copy Text To Clipboard.'''.
Then in the reply box at the bottom of this page,
do a right click in the box and select '''Paste.'''
This will show us your system details.
'''No Personal Information Is Collected.'''

Why can't Firefox cannot load certain applications on certain sites like a whole chatroom, video player or the reply box on a forum?

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