When you try to sign in to Windows Live Messenger on your Xbox 360 console, you receive the error message:
Can’t sign in to Messenger. Error code 0x80048834.
Things to Try
Sign into Messenger on the web
Re-Install Windows Live Messenger on your PC
If you receive error code 0x80048834 when you try to sign in to Windows Live Messenger on your Xbox 360 console, follow these steps:
Uninstall Windows Live Messenger on your PC.
Click Control Panel.
Underneath the heading Programs, click Uninstall a Program.
In the list of programs, right click Windows Live Essentials and select Uninstall/Change.
In the dialog box that appears, select Remove one or more Windows Live programs.
Redownload Windows Live Messenger.
Download Windows Live Messenger from the Download Messenger link on this webpage: