Screen frozen on Instant Messenger screen

Yahoo! Messenger is one of the more well-known instant messaging programs, along with programs like Windows Live Messenger and Skype.
According to Pingdom.com, there were 47 billion instant messages sent around the world per day in 2009.
Statistics like this show that instant messaging continues to be a popular form of communication. If you want to use Yahoo! Messenger, the first thing you'll need to do is log in

Open the Yahoo! Messenger program.
Click on "Start" and choose "All Programs" or "Programs" to find it.
If you don't have Yahoo! Messenger, you'll need to download it prior to logging in.
Click on "Sign In."
Type your Yahoo! ID and password.
If you don't have a Yahoo! ID, you'll need to create one before using Yahoo! Messenger.
Click "Sign In" again to log in to your Yahoo! Messenger account.
yahoo help
http://help.yahoo.com/kb/index?y=PROD_MSNG&page=content&id=DOC655&impressions=false
http://royal.pingdom.com/2010/04/23/amazing-facts-and-figures-about-instant-messaging-infographic/

haveing prolem install yahoo messenger

I often have problems like this using Windows Live Messenger. What you should do is :

1. Sign in to your Yahoo Account
2. Click on Messenger at the top left
3. Click on Preferences under "Yahoo! Chat" and over "Privacy Options"
4. After opening Preferences, click on "Video & Voice"
5. Select the Camera Device you want to use while using Yahoo

Hope this helped!

click sign up and follow the simple instructions

sign in your Yahoo Messenger. Then go to MESSENGER, then YAHOO! CHAT, then JOIN ROOM
MESSENGER is located at the upper portion beside the CONTACTS. i hope this helps. goodluck!

Clickthe "Messenger" menu in Yahoo! Messenger and select "ConnectionPreferences." 2.Enable the "No network detection" option and then click the"OK" button at the bottom of the window. 3.Yahoo! Messenger will ask you if you want to sign in again with your new proxysettings. Click the "OK" button. 4.Enter your Yahoo! ID and password and click the "Sign In" button. youmay have a registry problem download registry cleaner reginout to fix the issue

Click the "Messenger" menu in Yahoo! Messenger and select "Connection Preferences."
2. Enable the "No network detection" option and then click the "OK" button at the bottom of the window.
3. Yahoo! Messenger will ask you if you want to sign in again with your new proxy settings. Click the "OK" button.
4. Enter your Yahoo! ID and password and click the "Sign In" button.

you may have a registry problem download registry cleaner reginout to fix the issue

Open yahoo messenger window>>click on messenger tab on the top>>Click on to sign in to Mobile phone >>You will get a window "Get yahoo messenger on your mobile phone>>Enter your country and mobile phone no and click on continue button/you will get a instant link to your mobile ..

Please check if you have signed in the messenger elsewhere. Normally, Yahoo messenger doesnt allow to be signed in both messenger and mailbox.

Regards,
HP

stop using it ,.. that program is horrible!
use live messenger or anything else.