先下載 KB2454826 安裝x86http://www.microsoft.com/downloads/details.aspx?FamilyID=ddafd2cb-022c-4235-a644-426ae6b6d36f&displayLang=zh-twx64http://www.microsoft.com/downloads/details.aspx?FamilyID=c6760e93-ce84-4cce-91cf-30cce0668de7&displayLang=zh-tw然後照這裡的解決辦法步驟進行看看能否解決http://www.sevenforums.com/windows-updates-activation/146522-sp1-error-message-code-help.html#post1256431安裝前請先關閉防毒防駭防木馬防什麼的軟體通關閉, 最乾淨的方法安裝看看