Yahoo! sign-in page

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:
  
  
  1. Sign in to your account at http://mail.yourdomain.com/ (be sure to replace "yourdomain" with your domain name).
     
  2. Click the "My Account" link at the top of the page. You'll be prompted to verify your password.
     
  3. On the "Review My Account Information" page, click the "Edit" button or link to the right of "Member Information."
     
  4. 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.
     
  5. 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.
  
• If you repeatedly receive the message "Your login session has expired" or are repeatedly cycled back to the sign-in screen with no error message after entering your ID and password, your problem may be caused by a difficulty setting your user cookie. (A cookie is a small piece of information stored by your browser to help identify who you are. Yahoo! Business Email uses cookies to keep you logged in to your account as you move from page to page.) If your cookie isn't being accepted correctly, you'll be logged out of your account as soon as you move to a different page. This will prevent you from signing in or staying signed in. 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.
    

Could be either a poor internet connection or just poor server response time from yahoo. Its probably struggling to load and just times out. This happens to me with just about any website from time to time. Try repairing your internet connection, or just waiting for another time (side note...Mozilla Firefox is the way to go)

Hi there, after open internet explorer click tools option. From there select internet options and there you found a option" delete temporary internet files, history, cookies." Just delete them & then close the internet explorer. After that go for email reading the page will open.
Thanks & waiting for your vote

Hi

It's probably because Yahoo mail requires that you accept cookies.

To check and make sure your computer is set to accept cookies, follow this:

To enable cookies on Internet Explorer 5.5 and above on a PC:

1. Open Internet Explorer.
2. Select the "Tools" menu and then click "Internet Options".
3. Select the "Security" tab then click the button labeled "Custom Level".
4. Scroll down to "Cookies" and Make sure that the box next to "Accept cookies" is checked.

Good Luck

Mark

It sounds like you are using internet explorer. If this is correct, here are some 
troubleshooting steps you can try:

First of all, Did you check to see if you are connected to the internet? If so, try refreshing your browser.

Option 2- Close your browser and then reopen it. Type in www.yahoomail.com and see if the sign in page shows up.

If none of these options work this may be a problem that you would have to contact micosoft about. The microsoft website has trouble shooting forums, live chat with a microsoft technician, email a technician, and there  is also most recent information related to popular issues with internet explorer, specifically to "internet explorer not displaying the webpage" 

Another suggestion I have for you is that if you have another internet browser such as "Mozilla Firefox" Try accessing yahoo mail that way. 

Hope this helps!

Maybe you can work around this problem by using Windows Live Mail, it lets you access all of your email addresses on one page, Also when you set it up, you just have to enter the email address and it automatically sets up the rest, works pretty good.
Not sure about the website thing though.

did you try deleting your cache and cookies? then try restarting your computer and try signing on again

while opening the yahoo mail or any other mail it results to this page cannot be displayed, pl help me to resolve this problem

check with internet explorer options. my best idea is "Don't use internet explorer" use firefox / chrome....
check this link

most likely a virus or spyware that redirects the page....you have any virus or spyware protection? if so run deep scans for both and clean out temp files and clear history.