One of the most interesting additions to Messenger in its recent Wave 4 Beta refresh is the ability to chat with your friends on Facebook right from within Messenger itself. How can you combine your Messenger and Facebook contact lists?
Messenger problems: Fixing Beta sign-in error 81000395 
Are you trying out the current Windows Live Messenger Wave 4 Public Beta? You might receive the error code 81000395 when you try to sign in. The Windows Live team has published a workaround for this error code.
Messenger’s rotating sign-in buddies should be updated for Wave 4. Here is an interesting idea.
Messenger problems: Fixing error code 800706ba 
You’re getting the error code 800706ba when you try to sign in to Windows Live Messenger Wave 4 Beta? The fix is easy — you have to start a system service.
How-to: Use classic Messenger contact list in Wave 4 
Windows Live Wave 4 was developed with social networking at hand. You can revert the contact list to the Messenger 2009 look easily.
If you receive the error code 80071392 when you try to sign in to Windows Live Messenger, try these steps.
The first changes due to Messenger 2011 are introduced in Messenger 2009 now as well, as we noticed: The webcam feature is only usable on both sides.
There seems to be some confusion on the update to the webcam feature. When you want to send or view webcam in the recently upgraded Messenger version, you will launch a video call. This is a changed behavior, and people are quite confused about it.
With Windows Live Messenger 2011, webcam conversations are going to change. Up to now, you could view your contact’s webcam or let others view it, without launching a full video call. This is going to change soon.
Last week only, Microsoft announced the introduction of Windows Live Messenger for Apple’s iPhone. Now, the new application was demonstrated for the first time in a video.
