This is an issue relating to the Time Server Synchronization error.  Basically you start up windows live messenger and get the following error:

Basically you need to check that the time on your windows clock is accurate or close to real Internet time.

1. Quit/close all desktop gadgets except the CPU monitor and your analogue clock.
2. Make sure your computer is connected to the Internet
3. Left-Click once on the clock on your taskbar
4. Click on Change date and time settings link
5. Click on the tab Internet Time
6. Click on the Change Settings button
7. Check the box next to Synchronize with an Internet time server is ticked
8. Select an option from the dropdown menu starting with the first
9. Click on the Update now button
10. Text will appear beneath the button
    1. If you get an error, then select a different server from the dropdown
    2. If you get the text The clock was successfully synchronized...
       1. You can opt to untick the checkbox next to Synchronize with an Internet time server to prevent it finding the wrong time (again)
       2. Check the clock has updated in your taskbar and close the window by clicking on OK