Firefox 13.0.1 appears incompatible with Yahoo mail (process hog)

I have 2 MacBook pro 17s. Yesterday I upgraded to Firefox 13.0.1 in both of them. The newest one (about 2 months old) became extremely sluggish (20 minutes to send an email and took forever (several minutes) to switch between Firefox tabs). The old MacBook (2009 model) worked fine. Both have current versions of OSX Lion. I use Yahoo mail on the new machine but not on the old one and I realized that everything was fine until I opened Yahoo mail. Then the new machine just couldn't really do anything in Firefox. The dashboard would show Firefox running at about 98 or 99%.
Bottom Line: I installed Firefox 12.0 on the new machine and the problem immediatly disappeared. The machine ran fine and Yahoo mail & all Firefox tabs were fully functional & speedy.
Just to double check I installed Firefox 13.0.1 again and the machine stalled out as soon as I opened Yahoo mail. I went back to 12.0 & everything is fine.
I had worked w/ Apple tech support for many hours on 3 different occasions and pretty much anything that could be reset/ restarted was (no help). So I'm reasonably sure that this is a Firefox 13.0.1 problem.
Safari worked fine during all of my woes.

This can be caused by corrupted cookies.
*https://support.mozilla.org/kb/fix-login-issues-on-websites-requrie-passwords
"Clear the Cache":
*Firefox > Preferences > Advanced > Network > Offline Storage (Cache): "Clear Now"
"Remove Cookies" from sites causing problems:
*Firefox > Preferences > Privacy > Cookies: "Show Cookies"
If clearing the cookies doesn't help then it is possible that the file cookies.sqlite that stores the cookies is corrupted.
Rename (or delete) cookies.sqlite (cookies.sqlite.old) and delete other present cookie files like cookies.sqlite-journal in the Firefox Profile Folder in case the file cookies.sqlite got corrupted.

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Firefox does not work with yahoo mail, why ???

for some reason firefox does not work with the new Email window on yahoo.com All the other browsers work with yahoo mail just fine!! Are you working on a fix???

''ralphieboy [[#question-1022015|said]]''
<blockquote>
for some reason firefox does not work with the new Email window on yahoo.com All the other browsers work with yahoo mail just fine!! Are you working on a fix???
</blockquote>
I have had the problem of Yahoo! mail freezing (my computer freezing) with Firefox right after I boot up my computer and sign into my Yahoo! mail account. I have to either shut down my computer or use Control + Alt and press Delete to eventually bring up the Task Manager option. Then, once the choice for Task Manager comes up, I can click on cancel and Yahoo! mail and my computer have "un-frozen." I have followed all the recommendations for updating Firefox, clearing caches, checking if an Add-On is the problem, etc., as well as all the recommendations on Yahoo! help pages. Nothing has improved the situation to date. Firefox info says the problem is with Yahoo! Yahoo! says it is a browser problem. I just want the problem to be fixed.

Why can't i make attachments with yahoo mail in the newest Firefox?

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Sorry, I don't have any other suggestions, except that I did find a thread on the Apple Discussions forum about a similar problem with Safari and Yahoo mail attachments:
https://discussions.apple.com/thread/3225265?start=45&tstart=0
'''Bru-Hed''' 
Re: Safari doesn't work with yahoo mail: always getting beach ball 
Feb 7, 2012 10:15 AM (in response to Anamariela)
Well, my problem with Yahoo Classic is different--I cannot click on some of the buttons! Very weird. No beach ball, but when I attach files to send an email and click on "Attach Files", nothing. Same with a couple others.
Going to try to install the new Flash as Mark suggested. Anyone else have this issue?
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You might want to read the other replies in that Apple discussion and try the suggestions ... or just contact Yahoo help, if no one else replies here.

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Default Maill app not working with Yahoo Mail.
It stopped working the other day. I tried everything but it wouldn't update new mail. The yahoo account itself is fine because I can see new mail on Yahoo or a yahoo app.
I tried deleting the account and putting it back on, but now it has 0 mail in any part of it. Nothing has synced.
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iPad 2 latest OS.

A lot of people have been unable to access Yahoo e-mail on their iPhones or iPads. My wife’s iPad was not downloading Yahoo mail, although her iPhone was. Both used IOS 8.2. We tried deleting the account several times and troubleshooting all of the other settings. The problem appears to have been that allowing the IOS to automatically create the account on the iPad resulted in the wrong settings for the incoming server. The following procedure, pieced together from two websites, fixed the problem for us. So far, so good.
https://portal.smartertools.com/kb/a2659/configure-imap-for-iphone-or-ipad.aspx
https://help.yahoo.com/kb/mobile-mail/imap-server-settings-sln4075.html
On the iPhone, tap Settings.
Tap Mail, Contacts, Calendars.
Tap your Yahoo account, then delete it.
Tap Add Account.
Tap Other.
Tap Add Mail Account.
Complete the Name, Address (email address), Password and Description fields.
Click Next.
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Incoming Mail (IMAP) Server - Requires SSL
Server: imap.mail.yahoo.com
Port: 993
Requires SSL: Yes
Hostname is mail.yahoo.com.
Username is your full email address
Password is the same password used to access webmail.
Enter the following outgoing mail server information:
Outgoing Mail (SMTP) Server - Requires SSL
Server: smtp.mail.yahoo.com
Port: 465 or 587
Requires SSL: Yes
Requires authentication: Yes
Username is your full email address
Password is the same password used to access webmail. It may have been entered for you.
Tap Next.
The iPhone will establish an SSL connection to your IMAP and SMTP servers.
That’s all!

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Thanks,
Santosh Thankachan

EXACT, but the interface monitor shows that as an error.
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When you have a problem with one particular site, a good "first thing to try" is clearing your Firefox cache and deleting your saved cookies for the site.
(1) Bypass Firefox's Cache
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(You also can clear Firefox's cache completely using:
orange Firefox button ''or'' Tools menu > Options > Advanced
On the Network mini-tab > Cached Web Content : "Clear Now")
(2) Remove the site's cookies using either of these. Save any pending work first.
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* right-click and choose View Page Info > Security > "View Cookies"
* Alt+t (open the classic Tools menu) > Page Info > Security > "View Cookies"
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Hi,
I am having problems with yahoo mail. I have to log in and out a few times before the inbox will open. Having eventually got in, it fails to delete.
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Best regards,
dfenceman

Hi,
This problem seems intermittent. It was working OK earlier this morning but now I can't open emails, I'm getting the following error message "We’re sorry, but there appears to be a problem loading the email".
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Has anyone got a fix, or even a workaround please ?
Can the mods help with this ?
Best regards,
dfenceman

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Is there any solution?

TS3899 With Yahoo Mail, and anotare account (Inacap Mail), I can only receive mails but I can't send emails. I don't know if this is a problem of the iPad or it is a problem with yahoo mail, because using Gmail and the email of my job I don' have this pro

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Google them to confirm the settings that you need for the outgoing server, then check the setting you entered on the pad. Pay real close attention to the outgoing server name, and port. You may need to change in on the pad.

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I typically just set up an account for the user. I use either their server's email or a generic gmail account.
Given the process is quite a pain in the butt... I sign up both accounts, First the new email then the Adobe account for the end user... I accept and test the account to verify it works on my end and then I just send them the login info. They much more prefer a simple process like that.
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sign up a one time disposable email
sign up an adobe account name
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Have you read for possible solutions over in the "More Like This" thread over here?----------------------->
Contacted Yahoo tech support?

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Hello,
'''Try Firefox Safe Mode''' to see if the problem goes away. [[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).
'''If Firefox is open,''' you can restart in Firefox Safe Mode from the Help menu:
* Click the menu button [[Image:New Fx Menu]], click Help [[Image:Help-29]] and select ''Restart with Add-ons Disabled''.
'''If Firefox is not running,''' 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'' (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.

Firefox 13.0.1 appears incompatible with Yahoo mail (process hog)

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