Windows Live Messenger error 80040154 (Windows 7)

Microsoft XML Parser (MSXML) 3.0 Service Pack 7 (sp7) Signing in to Windows Live Messenger failed because the service is temporarily unavailable. Please try again later. Error 80040154

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This error might occur due to the following reason:

• MSXML library is already upted

 Troubleshooting steps:

1. reregisterMsxml3.dll:

A. Go to the command prompt and type the following command:

In Windows XP,
O Click Start, ClickRun, Type the following command,
Regsvr32 % WINDIR % \ system32 \ msxml3.dll And click OK

In Windows VistaAndWindows 7,
O Click Start, ClickAll programs, ClickAccessories
O Right-click command prompt. Click Run as Administrator
O Type the following command, and Regsvr32 % WINDIR % \ system32 \ msxml3.dll And click OK

 

If the file can be located and is available, you receive the following message:
" dllregisterserver succeeded in C: \ windows \ system32 \ msxml3.dll is succeeded "
B. if this step is not successful, go to the step-2 . if this step succeeds, go to step-3 .

 

2. reinstallMsxml3:

A.Visit the following Microsoft Web site:

Http://www.microsoft.com/downloads/details.aspx? Familyid = 28494391-052b-42ff-9674-f752bdca9582

B.ClickMsxml3.msiLink at the bottom of the page, and clickDownload.

C.Restart the computer, and then sign in to Windows Live Messenger again.

 

3. restart the computer, and then sign in to Windows Live Messenger again.