Please install Messenger Plus! again with the sponsor then unistall it.
Dont use spyware remove tools because it harms the sponsor's unistalletion.
If you did then you have to reinstall msgplus! .
After reading the sponsor removal instructions at
http://shoutbox.menthix.net/showthread.php?tid=21598 , please reinstall this wonderful add-on for msn messenger
Thank you.