Why don't I see any person online with Windows Live Messenger?

Occasionally, Windows Live Messenger runs on problems.

If you are logged in you step can watch your friends online. There are a variety of ways to solve the problem and the list of your friends who are online re appear.

Connectivity

Check your Internet connection.

If your Internet connection are you, as separated from Windows Live Messenger. Close to the Internet and characters on Windows Live.

Groups

Sometimes you can click the name of the group or a category from the list of friends.

If you hide the Group category displays or names on the list of your friends as "online". You will not be able to see that someone (even offline) listed in that group or category.

Friend requests

If someone removed his friends list you won't be able to see if it is online.

Approval of applications, Windows Live, who, to see wants to your online availability. If this is not accepted, your friends appear not online.