來源：http://answers.microsoft.com/zh-hans/windows/forum/windows_xp-windows_programs/windows-7%E7%9A%84search/71cde1da-f3fb-4311-b5ca-385fdc8d5cb5
步驟一：請您在“開始”菜單的搜索框中輸入“regedit”並按回車，如果彈出用戶賬戶控制窗口，請點擊“繼續”。在左半邊頁面右擊“計算機”，選擇“導出”，然後將其保存與桌面上。這是我們備份下來的註冊表，如果我們在操作中發生什麼錯誤的話，我們可以雙擊導入來恢復成原來的註冊表。
步驟二：請您新建一個記事本文件並保存於桌面，然後將以下藍色文字複製粘貼進去
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\WSearch]
"DisplayName"="@%systemroot%\\system32\\SearchIndexer.exe,-103"
"ErrorControl"=dword:00000001
"ImagePath"=hex(2):25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,53,\
00,65,00,61,00,72,00,63,00,68,00,49,00,6e,00,64,00,65,00,78,00,65,00,72,00,\
2e,00,65,00,78,00,65,00,20,00,2f,00,45,00,6d,00,62,00,65,00,64,00,64,00,69,\
00,6e,00,67,00,00,00
"Start"=dword:00000002
"Type"=dword:00000010
"Description"="@%systemroot%\\system32\\SearchIndexer.exe,-104"
"DependOnService"=hex(7):52,00,50,00,43,00,53,00,53,00,00,00,00,00
"ObjectName"="LocalSystem"
"ServiceSidType"=dword:00000001
"RequiredPrivileges"=hex(7):53,00,65,00,43,00,68,00,61,00,6e,00,67,00,65,00,4e,\
00,6f,00,74,00,69,00,66,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,\
67,00,65,00,00,00,53,00,65,00,4d,00,61,00,6e,00,61,00,67,00,65,00,56,00,6f,\
00,6c,00,75,00,6d,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,\
65,00,00,00,53,00,65,00,49,00,6d,00,70,00,65,00,72,00,73,00,6f,00,6e,00,61,\
00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,\
53,00,65,00,41,00,73,00,73,00,69,00,67,00,6e,00,50,00,72,00,69,00,6d,00,61,\
00,72,00,79,00,54,00,6f,00,6b,00,65,00,6e,00,50,00,72,00,69,00,76,00,69,00,\
6c,00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,\
00,73,00,65,00,51,00,75,00,6f,00,74,00,61,00,50,00,72,00,69,00,76,00,69,00,\
6c,00,65,00,67,00,65,00,00,00,53,00,65,00,54,00,63,00,62,00,50,00,72,00,69,\
00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,00,00
"FailureActionsOnNonCrashFailures"=dword:00000001
"DelayedAutoStart"=dword:00000001
"FailureActions"=hex:80,51,01,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\
00,01,00,00,00,30,75,00,00,01,00,00,00,30,75,00,00,00,00,00,00,00,00,00,00
步驟三：保存完後，請您將其重命名爲“WSearch.reg”，然後雙擊導入。
步驟四：成功導入註冊表後，請您啓動Windows Search服務看看。問題是否還出現？