Error Code 800700f HELP Msn Error 8007007f Cant Log On?

HELP msn error 8007007f cant log on? - error code 800700f

I downloaded version 9.0 of MSN when I go into my MSN accounts at the signing, said Windown Live Messenger, because the service is temporarily unavailable. Please try again later. Error code: 800700f. This ended about 3 days and I am now unable to connect
I've tried to uninstall in Add / Remove Programs, but wouldnt let me just say to install this package can be installed by the Windows Installer. You need a service pack that contains a newer version of the Windows Installer service provides. I can not get rid of him for an earlier version that works plzzzzzzz someone help me and I will always love you:)