點擊internet explorer 顯示該檔案沒有程式與之關聯來執行該操作 請在控制台的檔案夾選項中建立關聯程解決方案

開啟IE時，彈出：提示該檔案沒有程式與之關聯來執行該操作.遇到這種情況如何解決？用了好幾個修複軟體，還是沒有解決問題，查了好多資料，總算把問題解決了，呵呵，第一次遇到這麼怪的問題。
解決辦法：建立一個文字文件，把下面的代碼複製進去，儲存副檔名為.reg的檔案雙擊後匯入，重啟IE問題解決。
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}]
"InfoTip"=hex(2):40,00,73,00,68,00,64,00,6f,00,63,00,6c,00,63,00,2e,00,64,00,\
  6c,00,6c,00,2c,00,2d,00,38,00,38,00,31,00,00,00
"LocalizedString"=hex(2):40,00,73,00,68,00,64,00,6f,00,63,00,6c,00,63,00,2e,00,\
  64,00,6c,00,6c,00,2c,00,2d,00,38,00,38,00,30,00,00,00
[HKEY_CLASSES_ROOT\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\DefaultIcon]
@=hex(2):73,00,68,00,64,00,6f,00,63,00,6c,00,63,00,2e,00,64,00,6c,00,6c,00,2c,\
  00,2d,00,31,00,39,00,30,00,00,00
[HKEY_CLASSES_ROOT\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\InProcServer32]
@=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,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,00,68,00,\
  64,00,6f,00,63,00,76,00,77,00,2e,00,64,00,6c,00,6c,00,00,00
"ThreadingModel"="Apartment"
[HKEY_CLASSES_ROOT\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell]
@="OpenHomePage"
[HKEY_CLASSES_ROOT\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage]
@="開啟首頁(&H)"
"MUIVerb"="@shdoclc.dll,-10241"
[HKEY_CLASSES_ROOT\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command]
@="\"C:\\Program Files\\Internet Explorer\\iexplore.exe\""
[HKEY_CLASSES_ROOT\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\ShellFolder]
"Attributes"=dword:00000024
"HideFolderVerbs"=""
"WantsParseDisplayName"=""
"HideOnDesktopPerUser"=""