If you are receiving the error 80040111 or 80040154 when you sign into Messenger, please try the following:
Reregister msxml3.dll. To do so follow the steps below that are applicable to your operating system version:
Windows Vista/Windows 7:
Click "Start," click "All Programs," click "Accessories," and then right-click "Command Prompt."
Click "Run as administrator."
If you are prompted for an administrator password or for a confirmation, type the password or click "Continue."
Type the following command, and then press ENTER:
REGSVR32 %windir%\system32\msxml3.dll
If the file can be located and is available, you receive the following message:
DllRegisterServer succeeded in C:\Windows\System32\msxml3.dll is succeeded.
If this step is not successful, go to step 2.
If this step succeeds, go to step 3.
(from
http://messenger-support.spaces.live.com/blog/cns...8B853F!13936.entry )
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