I can't login in my yahoo using my computer, it gave me Security Alert message, "Information you exchange with this site cannot be viewed or changed by others. However, there is a problem with the sites security certificate..... the certificate has expired or is not yet valid....". There is no problem logging in to yahoo using other computers.
U reinstall that. if u have old version then first u uninstall step 4 uninstall 1.go to start button 2.control panel then 3.add or remove program there u will get yahoo remove this then again u install new yahoo msgn just u press install and after that next,next
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click here to download the app (for users in the US for now) and get all the help you need. goodluck!
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What does "Keep me signed in" mean?
If you check the "Keep me signed in" box, you can stay signed
in to Yahoo! on this computer for up to 2 weeks or until you sign out.
To protect your personal information when you access some Yahoo!
services, we may ask you to enter your password again. The "Keep me
signed in" checkbox applies to this computer only. If you're using a
public computer, we recommend that you uncheck the checkbox. You can
also modify the number of times you're asked for your password by
clicking on My Account at the top of most Yahoo! pages once you sign in.
If you do so, Yahoo! will ask you to verify your password more
frequently, although your sign-in screen will still indicate every "two
weeks". (More information on modifying your sign-in settings)
What is this image at the top of my sign-in box?
It's a sign-in seal - a feature to help you protect your Yahoo! password against fraud. (Find out more about sign-in seals.)
Not seeing your sign-in seal?
If you set up your sign-in seal but now no longer see it, you
could be on a fraudulent site. Look carefully at your browser's address
bar. A genuine Yahoo! sign-in page will always display
https://login.yahoo.com just before the next forward slash.
(Read more about identifying a real Yahoo! sign-in page.)
It means somebody is trying to access to your account & made few failed attempts. But no worries, it's a normal security precaution which will eventually locked the account to prevent the unauthorized user from getting in successfully. This lock down usually will last 24hours after the failed attempts made by the unauthorized user. Go to this main Yahoo! logging site & insert the correct ID & password of your account. The first attempt may prove failure, second attempts will lead you to the "word verification system" which is to make sure that you are not "bots". Follow all those procedures provided by Yahoo!. 48hours after visiting that Yahoo! main logging site, your account should return as normal.Link : http://login.yahoo.com/config/login **NOTE: Remember to clear out your ID every time signing out of any sites that preserve your personal informations such as Facebook, Yahoo! Messenger @ Mail & etc. to prevent them from being hack or so. Or you can simply log in using other Yahoo! servers. =)Link : http://rimmelds.blogspot.com/2008/09/unlock-yahoo-when-your-account-has-been.html
You'll see this message if it has been more than eight hours since you last signed in to Yahoo! and you did not click the "Sign Out" link at the end of your session. We display this message and ask that you log in again as a safeguard for Yahoo! Business Email users, specifically those who use public or shared computers. Other possibilities:
Check your account information. If you've chosen to be prompted for a password more frequently than every eight hours, your session will expire after the specified amount of time. To change this:
Sign in to your account at http://mail.yourdomain.com/ (be sure to replace "yourdomain" with your domain name).
Click the "My Account" link at the top of the page. You'll be prompted to verify your password.
On the "Review My Account Information" page, click the "Edit" button or link to the right of "Member Information."
Under General Preferences, toward the bottom of the page, select your "Prompt for Password" setting in the pull-down menu. You may choose everythign from every 15 minutes to every 2 weeks.
Click the "Finished" button to save your changes.
Please note that opening another browser window and signing in to a second Yahoo! account will automatically sign you out of the first. When you return to the first account, clicking on any link will give you the "Your login session has expired" message.
There are a number of reasons why your cookie may not be set properly. We have listed the possible reasons and their solutions below. We recommend trying the steps in order, as they are listed from easiest-to-fix to most difficult.
The date on your computer is set incorrectly. Since cookies rely on dates, a computer with an incorrect date may mislead your browser into forgetting about your cookie. To fix this, set the correct time and date on your computer.
You have installed an application that monitors/blocks cookies from being sent. This may include virus protection software. To remedy this, simply disable the monitoring application before logging in.
You are behind a firewall that doesn't allow you to receive cookies. This is sometimes the case for users connecting from a business intranet that limits cookie acceptance for security reasons. Contact your system administrator for more information.
Your browser is not set to accept cookies. Most browsers have the option of accepting all cookies, showing an alert before accepting a cookie, or not accepting cookies at all. In order to use Yahoo! Business Email, your browser must be set to accept all cookies without alerts (don't select the option that will display an alert before accepting cookies). To adjust this setting, we've provided instructions for several browsers. When making adjustments, be sure to confirm any changes you make by clicking the "OK" button in the Options windows.
Internet Explorer 6.x and higher:
1. Click "Tools." 2. Click "Internet Options," and then the "Privacy" tab. 3. Move the slider up or down depending upon your desired level of security. Internet Explorer 5.x:
1. Click "Tools," then "Internet Options." 2. Select the "Security" tab and click the button labeled "Custom Level." 3. Scroll down to "Cookies" and make sure that the box next to "Accept cookies" is checked.
Try these steps:Update Adobe Flash Player Internet Explorer and Java script . Clear Explorer cache, cookies, and browsing history. Some find that a return to classic mail improves things. You could also try an alternative browser. Hope this helps!! Some additional troubleshooting information and steps include:
The current problem is with Yahoo. Do not reinstall software on your computer
and from it select the form (click the page to get it), that is proper for your report.
Don't send any login information unless they ask for it (they will likely NOT ask for a password, but can ask you for your username).
This error information shows that their mail login processing scripts and possibly their database interface have been corrupted or coded incorrectly, and this is something that only they can fix, not you, the mailbox user. HTH