Simply go to add/remove programs in control panel, if you installed the sponsor program it will say Messenger Plus! Live & Sponsor. To remove the sponsor you just select Messenger Plus! Live & Sponsor, click remove/uninstall and choose "Sponsor only" when prompted. After that Plus!Live will still be on but the sponsor will be gone. Please make sure you exit your browser fully (and close WLM) when you uninstall, remember what's in use can't be removed