Removing Yahoo Messenger from StartUp

For removing any item from start up, the normal practice is to remove the item from startup option in msconfig. For that do the following steps.

1. Type msconfig in run command. (Admin privilege is required)
2. In the configuration window that is popped up, select the startup tab.
3. Uncheck the applications you want to remove from start up.
4. Click Ok.
5. From the next reboot onwards, the application wont start on startup.

For removing yahoo messenger, the above approach alone wont work. Do this extra stuff for accomplishing that.

1. Login to Yahoo Messenger.
2. Select  Messenger Menu Item. 
3. Select Preferences.
4. Select General Category.
5. Uncheck automatically start yahoo messenger option. 
6. Click OK.

Yahoo Messenger Preferences

If both these approaches are not working, follow the third and final approach. This is by removing the entry from registry as explained below.

1. Stop yahoo if already running. Thia can be done by right click yahoo icon in taskbar and click exit.
2. Take registry editor. This can be done by typing regedit in Run command.
3. Navigate to the node "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run"
4. Delete the entry Yahoo! Pager. (It is advisable to keep a back up of the registry entry before making any changes. This can be done by right clicking on Run Node and select export)
5. Restart system.