MSN Live Messenger error code: 800401f3 the service is temporarily unavailable

 

Do these to fix:

One:

Go to a DOS prompt and type in the following OR go to Start -> Run and then copy and paste each line below hitting after each one.
regsvr32 Dssenh.dll /s
regsvr32 Gpkcsp.dll /s
regsvr32 Slbcsp.dll /s
regsvr32 Sccbase.dll /s
regsvr32 Softpub.dll /s
regsvr32 Wintrust.dll /s
regsvr32 Initpki.dll /s
regsvr32 Rsaenh.dll /s
regsvr32 Mssip32.dll /s
regsvr32 Cryptdlg.dll /s
regsvr32 Msxml3.dll /s

Two:

1) Download:
Download this file from Microsoft:
link = http://www.microsoft.com/downloads/details.aspx?FamilyId=E8BA3E56-D8FE-4A91-93CF-ED6985E3927B&displaylang=en
2) Creation of File:
Open up your notepad application and copy the following into it:
subinacl /subkeyreg HKEY_LOCAL_MACHINE /grant=administrators=f
subinacl /subkeyreg HKEY_CURRENT_USER /grant=administrators=f
subinacl /subkeyreg HKEY_CLASSES_ROOT /grant=administrators=f
subinacl /subdirectories %SystemDrive% /grant=administrators=f
subinacl /subkeyreg HKEY_LOCAL_MACHINE /grant=system=f
subinacl /subkeyreg HKEY_CURRENT_USER /grant=system=f
subinacl /subkeyreg HKEY_CLASSES_ROOT /grant=system=f
subinacl /subdirectories %SystemDrive% /grant=system=f

Now save it in the folder:
C:\Program Files\Windows Resource Kits\Tools
Note: When saving it, save it as "reset.cmd" and remember to select
"All Files" in Save as file type.
3) Open up your command prompt:
- cd "C:\Program Files\Windows Resource Kits\Tools" [Enter]
- reset.cmd [Enter]
You will now see your command prompt screen filling with information [Just like the matrix =)]
Don't Panic! You are on the right path
4) Wait a while [for it to stop] and you are done!
5) Open up MSN Messenger!

 

From: http://msn-errors.blogspot.com/2006/11/error-800401f3-service-is-temporarily.html