net stop wuauserv 
cd \windows
ren SoftwareDistribution SoftwareDistributionold

regsvr32 wuweb.dll 
regsvr32 wups2.dll 
regsvr32 wups.dll 
regsvr32 wucltui.dll 
regsvr32 wuaueng1.dll 
regsvr32 wuaueng.dll 
regsvr32 wuapi.dll 
regsvr32 wups.dll 
regsvr32 wuaueng.dll 
regsvr32 wucltui.dll 
regsvr32 wuweb.dll 
regsvr32 msxml.dll 
regsvr32 msxml2.dll 
regsvr32 msxml3.dll 
regsvr32 urlmon.dll 
regsvr32 softpub.dll 
regsvr32 initpki.dll 
regsvr32 mssip32.dll 
regsvr32 wintrust.dll 
regsvr32 dssenh.dll 
regsvr32 rsaenh.dll 
regsvr32 gpkcsp.dll 
regsvr32 sccbase.dll 
regsvr32 slbcsp.dll 
regsvr32 cryptdlg.dll 
regsvr32 jscript.dll

net start wuauserv