在做 Windows Update 出現以下的錯誤畫面
[@more@]參考網頁：Windows Update Error Code 8024A000 – Microsoft Community
1. 以系統管理員身份執行 命令提示字元
net stop wuauserv
net stop bits
net stop cryptsvc 
2. 將下列內容存成批次檔，並執行
regsvr32 c:windowssystem32vbscript.dll /s
regsvr32 c:windowssystem32mshtml.dll /s
regsvr32 c:windowssystem32msjava.dll /s
regsvr32 c:windowssystem32jscript.dll /s
regsvr32 c:windowssystem32msxml.dll /s
regsvr32 c:windowssystem32actxprxy.dll /s
regsvr32 c:windowssystem32shdocvw.dll /s
regsvr32 wuapi.dll /s
regsvr32 wuaueng1.dll /s
regsvr32 wuaueng.dll /s
regsvr32 wucltui.dll /s
regsvr32 wups2.dll /s
regsvr32 wups.dll /s
regsvr32 wuweb.dll /s
regsvr32 Softpub.dll /s
regsvr32 Mssip32.dll /s
regsvr32 Initpki.dll /s
regsvr32 softpub.dll /s
regsvr32 wintrust.dll /s
regsvr32 initpki.dll /s
regsvr32 dssenh.dll /s
regsvr32 rsaenh.dll /s
regsvr32 gpkcsp.dll /s
regsvr32 sccbase.dll /s
regsvr32 slbcsp.dll /s
regsvr32 cryptdlg.dll /s
regsvr32 Urlmon.dll /s
regsvr32 Shdocvw.dll /s
regsvr32 Msjava.dll /s
regsvr32 Actxprxy.dll /s
regsvr32 Oleaut32.dll /s
regsvr32 Mshtml.dll /s
regsvr32 msxml.dll /s
regsvr32 msxml2.dll /s
regsvr32 msxml3.dll /s
regsvr32 Browseui.dll /s
regsvr32 shell32.dll /s
regsvr32 wuapi.dll /s
regsvr32 wuaueng.dll /s
regsvr32 wuaueng1.dll /s
regsvr32 wucltui.dll /s
regsvr32 wups.dll /s
regsvr32 wuweb.dll /s
regsvr32 jscript.dll /s
regsvr32 atl.dll /s
regsvr32 Mssip32.dll /s 
3. 啟動服務
net start wuauserv
net start bits
net start cryptsvc
exit 
4. 重新啟動電腦，再次執行 Windows Update 就會正常了！