Troubleshooting Windows errors can seem like an impossible prospect. However finding the solution to the (We can't sign you in to Windows Live Messenger as your contact list is not available right now. Please try again later. Error code: 80072eff) error message is easier than you think. Check out our how-to guide for resolving this common Messenger problem.
TipFor more information, please see: How to fix Messenger error #80072eff