試試在command line中執行以下指令,完成後重新windows update看看
REGSVR32 /s WUAPI.DLL
REGSVR32 /s WUAUENG.DLL
REGSVR32 /s WUAUENG1.DLL
REGSVR32 /s ATL.DLL
REGSVR32 /s WUCLTUI.DLL
REGSVR32 /s WUPS.DLL
REGSVR32 /s WUPS2.DLL
REGSVR32 /s WUWEB.DLL
cd %windir%
rd /q/s SoftwareDistribution
sc config wuauserv start= auto
sc start wuauserv
sc qc wuauserv
sc config BITS start= auto
sc start BITS
wuauclt /detectnow