I know this may be a pretty stupid question of me, but i recently upgraded to Windows 7, and when i hit lock messenger, it just disappeared and i had no idea how to unlock it with this windows.
Thanks for your help.

Try double-clicking the random icon that you don’t know near your clock — it is a boss-safe Messenger icon replacement.  If that does not work, hold down the Ctrl key while clicking.

Hey!

I have a problem with Messenger Plus. I locked down my msn with the new Messenger Plus feature (called msn lock as I remember well) and I don't know the unlock code for it.

THX the answer!

Hello KBfan,
please press the same shortcut that you used for locking it, default is Ctrl+Space.

hello!

when I click on the msn I'm waiting but nothing happens.
And I can't press anything.

To restart Windows Live Messenger completely without rebooting:

-Hold the WindowsKey and press R, a little window titled "Run" should open.
-Enter "taskmgr" and press Enter.
-In Windows Task Manager, go to "Processes" and find "msnmsgr.exe"
-Right click that process and select "End Process."
-Close the Task Manager

Wait about 5 seconds and start Windows Live Messenger again from your Program list. This time around though, make sure you know the code before you lock it.

awhh...
thank u very much! it works.
But when I turned on this feature I didn't see the password for it.
thanks again