在服務中找不到Security Center服務了？你確定？那麼你在登錄檔HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services子鍵下仔細檢視是否有wscsvc這個子鍵，這就是安全中心服務對應的子鍵，如果沒有，則可將以下內容複製到記事本中，並注意最後兩行為空行，儲存檔案的字尾名為REG，雙擊匯入登錄檔即可恢復，我的是從我自己的Vista中匯出的：

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wscsvc]

"DisplayName"="@%SystemRoot%\\System32\\wscsvc.dll,-200"

"ErrorControl"=dword:00000001

"ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\

74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,\

00,76,00,63,00,68,00,6f,00,73,00,74,00,2e,00,65,00,78,00,65,00,20,00,2d,00,\

6b,00,20,00,4c,00,6f,00,63,00,61,00,6c,00,53,00,65,00,72,00,76,00,69,00,63,\

00,65,00,4e,00,65,00,74,00,77,00,6f,00,72,00,6b,00,52,00,65,00,73,00,74,00,\

72,00,69,00,63,00,74,00,65,00,64,00,00,00

"Start"=dword:00000002

"Type"=dword:00000020

"Description"="@%SystemRoot%\\System32\\wscsvc.dll,-201"

"DependOnService"=hex(7):52,00,70,00,63,00,53,00,73,00,00,00,57,00,69,00,6e,00,\