Error 800401f3 the service is temporarily unavailable

If you are running Windows XP try the following steps;

Solution:

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

Does error still persist? Run best registry repair tool to fix most Windows related errors.