I can open my yahoo mail in internet explorer but I canot open in mozill firefox why?

give me error 404

Hello,
Try '''Firefox Safe Mode''' to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.
(If you're not using it, switch to the Default theme.)
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 the issue is not present in Firefox Safe Mode''', your problem is probably caused by an extension, and you need to figure out which one. Please follow the [https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems] article for that.
To exit the 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 other users who have the same problem.
Thank you.

Similar Messages

Firefox prevents connection to UK Yahoo mail. Internet Explorer 11 on Windows 7 works just fine.

Firefox prevents connection to UK Yahoo mail. Internet Explorer 11 on Windows 7 works just fine.
''Email address removed. Please do not post sensitive information and follow [[Forum rules and guidelines]]''

Clear the cache and remove cookies only from websites that cause problems.
"Clear the Cache":
*Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"
"Remove Cookies" from sites causing problems:
*Firefox/Tools > Options > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"
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
*https://support.mozilla.org/kb/troubleshoot-firefox-issues-caused-malware

Can watch You Tube vidoes on Internet Explorer but not with Firefox. Why?

This problem has only cropped recently. I don't seem to be able to watch online vidoes - you tube & others - with Firefox (I have the latest version 32) anymore. They start loading & playing & then sit there trying to load but won't go any further. On the other hand, I can use my older version of Internet Explorer to watch the same videos not problem. The play smoothly without stopping & starting. They play as the load. What had changed with my Firefox please? How do I fix this? I am still using Windows XP so prefer not to use Internet Explorer anymore. I hope someone had a simple answer and I don't have heaps of time to trawl through all the questions & answers on the forum! Thanks in advance :)

Hello,
Some problems with Flash video playback can be resolved by disabling hardware acceleration in your Flash Player settings. (See [[Flash Plugin - Keep it up to date and troubleshoot problems|this article]] for more information on using the Flash plugin in Firefox).
To disable hardware acceleration in Flash Player:
#Go to this [http://helpx.adobe.com/flash-player/kb/video-playback-issues.html#main_Solve_video_playback_issues Adobe Flash Player Help page].
#Right-click on the Flash Player logo on that page.
#Click on '''Settings''' in the context menu. The Adobe Flash Player Settings screen will open.
# Click on the icon at the bottom-left of the Adobe Flash Player Settings window to open the Display panel. [[Image:fpSettings1.PNG]] 
# Remove the check mark from '''Enable hardware acceleration'''.
# Click '''Close''' to close the Adobe Flash Player Settings Window.
# Restart Firefox.
This [http://www.macromedia.com/support/documentation/en/flashplayer/help/help01.html Flash Player Help - Display Settings page] has more information on Flash Player hardware acceleration, if you're interested.
Also, unrelated to Flash, the latest version of Firefox is version 33, you can update either by going to:
* Help (or [[Image: New Fx Menu]] > [[Image: Help-29]]) > About Firefox
Or download a fresh copy at:
* https://www.mozilla.org/en-US/firefox/new/
* (if you need a different localization) https://www.mozilla.org/en-US/firefox/all/
Does this solve the problem? Let us know.

Why does "problem loading page" appear when i try to run firefox? I can access the relevent page via internet explorer but firefox cannot connect to the web/

A few days ago Firefox stopped working when using shortcut or exe. file. The message http://en-gb.start3.mozilla.com/firefox?client=firefox-a&rls=org.mozilla:en-GB:official appears, although when i paste this address into internet explorer it works. What is preventing firefox from connecting?

Actually, dchristie, your solution didn't help at all. If I wanted to use IE, I wouldn't have installed Firefox. IE is a good browser, but doesn't have features Firefox has. Also, when Firefox crashes windows can kill it and you can restart it no problem. When IE crashes, since it is so tightly integrated into windows, windows itself becomes unstable and you have to reboot.

BT Yahoo mail and Internet Explorer display issues

There seems to be a problem with using a version of Internet Explorer whilst looged into BY Yahoo Mail:
Windows 7 Enterprise SP1 - IE 8.0.7601.17514 - Display is OK
XP Professional Version 2002 SP3 - IE 8.0.6001.18702CO - See attached for what it looks like, It has a similar appearnce to what it might look like in text mode. IMPORTANT - This worked fine up until around 27th June 2012, then the problem started. If you click on the Mail icon, to get your Inbox, again, it renders better, but doesn't work - I just get the waiting icon (circle)
Yes, the operating system platforms are different (XP is still supported by MS), and yes the IE version are only _slightly_ different, but this worked up until a week ago, so must assume that some change to the operating system might have caused this, e.g. an update.
Anyone else seen this?
Are BT aware of this, and if not what can they do about it.
Thanks in advance.
Regards,
David

Thanks for this advice. This is the resulting error message, if anyone can interpret it please (have removed weblinks as they leads directly to my signed-in email).
Webpage error details
User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB7.3; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648; InfoPath.1; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)
Timestamp: Thu, 5 Jul 2012 08:31:33 UTC
Message: Invalid character
Line: 1
Char: 1
Code: 0
URI:
Message: 'Neo' is undefined
Line: 6
Char: 147
Code: 0
URI:
Message: 'Neo' is undefined
Line: 6
Char: 674
Code: 0
URI:
Message: 'Neo' is undefined
Line: 6
Char: 48
Code: 0
URI:
Message: Object doesn't support this property or method
Line: 6
Char: 1
Code: 0
URI:
Message: Object doesn't support this property or method
Line: 6
Char: 1
Code: 0
URI:
Message: Object doesn't support this property or method
Line: 6
Char: 1
Code: 0
URI:
Message: 'Neo' is undefined
Line: 6
Char: 1
Code: 0
URI:
Message: 'Neo' is undefined
Line: 6
Char: 1
Code: 0
URI:
Message: 'Neo' is undefined
Line: 6
Char: 6793
Code: 0
URI:
Message: 'Neo' is undefined
Line: 6
Char: 12257
Code: 0
URI:
Message: 'Neo' is undefined
Line: 6
Char: 1
Code: 0
URI:
Message: 'Neo' is undefined
Line: 6
Char: 1
Code: 0
URI:
Message: Object doesn't support this property or method
Line: 6
Char: 1
Code: 0
URI:
Message: 'Neo' is undefined
Line: 6
Char: 1
Code: 0
URI:
Message: Object doesn't support this property or method
Line: 6
Char: 1
Code: 0
URI:
Message: 'Neo' is undefined
Line: 23
Char: 95
Code: 0
URI:
Message: 'Neo' is undefined
Line: 24
Char: 30
Code: 0
URI:
Message: Object expected
Line: 6
Char: 605
Code: 0
URI:

I can not access the net w/ Internet Explorer but not firefox. I have Mozilla set as default browser.

I have had a problem previously accessing the net w/ firefox. After checking firefox info site, I set Firefox as the default browser and that corrected the problem. It has now happened again w/ the settings as described. No problems (other than normal) w/ Internet Esplorer and no problems w/ Thunderbird. Suggestions?

You may also need to reset some prefs. You have a lot of prefs in your More system details list that were changed from the default. 
One of them being the pref to override the user agent to Firefox 3.6.3
general.useragent.override Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3
If you haven't set network.http prefs yourself to those values for specific reasons then you should reset them (not all servers support pipelining). dom.max_chrome_script_run_time 0 and dom.storage.enabled false should also only be done in case of problems. dom.storage is a replacement for cookies and dom.max_chrome_script_run_time set to 0 may cause the browser to hang in case of script errors.

Downloaded Firefox 4.0, get server error 404 & can't access Yahoo mail. It opens with Explorer & on desktop with Mozilla 3

Downloaded Firefox 4.0, to Dell Lat D630 on 4/9/11
Get server error 404 & can't access Yahoo mail.
It opens with Explorer & on networked desktop with Mozilla 3.6
tried all fixes suggested by Support @ Customer Service
No resolution to the access problem today 4/21/11. Do I reinstall 3.6 & delete 4.0? I understand this access problem is common to 4.0 users.

I did some additional testing through Proxy 4. All web sites and web pages including secure sites that I tried accessing over the past couple of days all appear to work fine with the exception of the forementioned sites. Access to these specific web pages (which I cannot currently access) are part of our day-to-day business requirements, and therefore will prevent me from using Proxy version 4.0 as our production proxy unless I can figure out why these web pages won't load, and how to fix the problem.
As an experiment, I tried to access these web pages through Proxy 4 with Mozilla FireFox and Netscape 7. None of these web browsers (including Internet Explorer) will bring up these web pages when going through Proxy 4. But bypassing the proxy or going through our v3.6 proxy works fine for these web pages everytime, and with all browsers. This leads me to believe that this web page access problem is not a browser specific problem, but something in Proxy 4 isn't processing the request to display the page properly.
As a reference, the web site in question is http://www.sunlife.ca. On the left hand side of the page go to "Sign In" then "Plan Members". Thats where the request hangs through Proxy 4 no matter which browser I use, including Netscape... but works perfectly fine with Proxy v3.6.
Can someone who is running a version 4 Proxy also please try to access the SunLife Members login page and see if it works or fails for you?
Thanks

Since I downloaded Firefox 4, I can't see attachments in my Yahoo mail. This is not a problem of Yahoo, because with Internet Explorer works fine. What is the problem?

Question
Since I downloaded Firefox 4, I can't see attachments in my Yahoo mail. This is not a problem of Yahoo, because with Internet Explorer works fine. What is the problem?

Ok, now they are showing. I restarted my computer again and they are showing now.

I can't keep Yahoo mail account open 2 weeks in a row even with a mark in box KEEP ME OPEN. I did go to Tools, Options, Security to check SAVED PASSWORD box

Usually, after opening Firefox, to check my Yahoo mail, I log in with my password, and mark the little box in front of KEEP ME OPEN, I can check my mail, and then close Firefox. Whenever I open Firefox, I can access my Yahoo mail account without typing my password. It stays open for 2 weeks. From yesterday, whenever I close Firefox, to access my mail account, I must log in again no matter whatever I've tried such as: Tools-Options-Security-Saved Password, or log out, then log in, type PW, mark little box to KEEP ME OPEN. I even uninstall Firefox, restart, download and re-install Firefox 8.0. The problem can never be solved. It's very annoying to log in by typing again and again my PW. Please help me out since I don't know what causes this problem. Thanks everybody who can help me out.

Benji, I did get the email server error message again last night around 8PM, but again the email does eventually go. Wondering if the 6PM to 9PM time frame is a busy time for Yahoo email servers and somehow our iTouch or portable devices take a lower priority? I seem to get the error only once a day now around that time, then everything seems fine again...could be a server issue.
Still looking for a pattern with the blank white web pages when I try and view a previous web page. Seems to happen most when I look at the "iPod touch User Guide" (on the included bookmarks)...most of the other times the previous web page loads fine so....humm....
I also had an issue with the Camera app today, the red light button and Picture/Video switch were staying dimmed...finally turned off the iTouch (holding down the Home button then pressing the Sleep/Off button on top) then turned it back on, so the iOS could reboot. That fixed the Camera app. Might want to try that too....seems like it might be a fix for a few things, especially after updating to iOS 4.2.1...
Jeff

How do I get firefox 3.5 back? Firefox 4 can't find yahoo.mail URL. Using your suggestions has caused me to loose my system tray icons and printers from my computer altogether and my system restore will no longer work either.

Firefox 4.0 cannot find the Yahoo mail URL. Working with the Verizon tech we were able to get Internet Explorer to finaly find the yahoo mail web site. But not luck with Firefox 4.0 .
Since trying your suggestions to make firefox 4 find the Yahoo mail URL. I have noticed that all of my system tray icons except the Panda anti virus and volume control icons have disapeared. My system restore will not restore and printers are gone altogether. How do I get the old firefox and all i've lost back.
Hector, [email protected]

Still cannot fix it to get Yahoo e-mail. This what I get now from Ff3.5 now.
Sorry, we can't find "http://us.mc1121.mail.yahoo.com/mc/welcome". Please check the spelling of the web address.
From Ff4 it can't find the " URL proxy server" on it's server???
Have tried most every solutions/suggestion I could find have my computer just keeps getting worse. Where do I find the 4 solutions you mention here to see if I have not already tried them? I don't see or know where to go to find these solutions??? Can anyone help me find the fix???
E-mail add. [email protected]

How can i download yahoo mail contacts to my mini ipad

how can i download yahoo mail contacts to my mini ipad?

Settings > Mail, Contacts, Calendars > Add Account > Yahoo > Enter Name, Email, Password
After the account is added, turn Contacts on

How can I make Yahoo Mail the default in Safari?

How can I make Yahoo Mail the default in Safari. I contacted Yahoo and they said to contact Safari.

Yahoo Mail is not an application. If you wish to use Yahoo Mail just create a bookmark to its web page.

I am unable to access my gmail on my iPad air. I can access my yahoo mail on the IPad and can also access gmail and yahoo on my Kindle Fire. Why not my gmail?

I am unable to access my gmail on my iPad air. I can access my yahoo mail . I can also access both gmail and yahoo on my Kindle fire. What is the oroblem with gmail and iPad?

There is no problem with Gmail and iPad; I use it all the time.
Check to make sure that you have entered the correct information in Settings > Mail, Contacts, Calendars for your Gmail account.

After Mac OS X 10.6.3 upgrade can't access Yahoo mail and repeatedly get message ""Sorry, we are over capacity. Please wait a moment and try again." Help, please,

After Mac OS X 10.6.3 upgrade can't access Yahoo mail and repeatedly get message ""Sorry, we are over capacity. Please wait a moment and try again." Help, please.

Did you run all the software updates after the 10.6.3 update, especially this one which will bring you up to 10.6.8.
Mac OSX 10.6.8 V1.1 Combo update
Run software update, starting with the one above.
Then call your provider and ask them what is going on. They have probably changed POP to IMAP, 10.6.8 supports IMAP

I can get into my hotmail, but I can't open the mail. What is wrong? I can get into my email using explorer, but would rather do everything on firefox.

Question
I can get into my hotmail going through Firefox, but I can't open the mail. What is wrong? I can get into my email using explorer, but would rather do everything on firefox.
''locked as a duplicate: https://support.mozilla.com/en-US/questions/891647''

Please look at the answer supplied here: [https://support.mozilla.com/en-US/questions/891647 Question 891647]
Hope that helps!

I can open my yahoo mail in internet explorer but I canot open in mozill firefox why?

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