早上用户报修：“网上邻居”图标被替换成了“商务导航”图标，而且IE打开后首页被更改为：http://www#pp55#com:99/?绿色导航（为了防止大家误点，我把.改成了#）。
解决方法：注册表定位到[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}]
下面是已经被更改后的数据：
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}]
@="商业导航"
"InfoTip"="商业导航"
"LocalizedString"="商业导航"
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/DefaultIcon]
@="C://Program Files//Internet Explorer//am_home.ico"
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/InProcServer32]
@="C://WINDOWS//system32//ieframe.dll"
"ThreadingModel"="Apartment"
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/shell]
@="打开(&H)"
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/shell/打开(&H)]
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/shell/打开(&H)/Command]
@="C:////Program Files//Internet Explorer//iexplore.exe http://www.pp55.com"
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/ShellFolder]
"HideFolderVerbs"=""
"WantsParseDisplayName"=""
"HideOnDesktopPerUser"=""
"Attributes"=dword:00000000
改回正常的数据：
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}]
@="网上邻居"
"InfoTip"=hex(2):40,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,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,/
00,53,00,48,00,45,00,4c,00,4c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,/
2d,00,32,00,32,00,39,00,31,00,32,00,00,00
"IntroText"=hex(2):40,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,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,/
00,53,00,48,00,45,00,4c,00,4c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,/
2d,00,33,00,31,00,37,00,34,00,39,00,00,00
"LocalizedString"=hex(2):40,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,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,00,53,00,48,00,45,00,4c,00,4c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,/
2c,00,2d,00,39,00,32,00,31,00,37,00,00,00
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/DefaultIcon]
@=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,00,53,00,48,00,/
45,00,4c,00,4c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,31,00,37,00,00,/
00
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/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,00,53,00,48,00,/
45,00,4c,00,4c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,00,00
"ThreadingModel"="Apartment"
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/shell]
@="none"
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/shell/find]
@=hex(2):40,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,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,00,53,00,/
48,00,45,00,4c,00,4c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,2d,00,32,/
00,39,00,31,00,38,00,38,00,00,00
"SuppressionPolicy"=dword:00000080
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/shell/find/command]
@=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,00,45,00,78,00,70,00,6c,00,6f,00,72,00,65,00,72,00,2e,00,65,00,78,00,/
65,00,00,00
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/shell/find/ddeexec]
@="[FindFolder(/"%l/", %I)]"
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/shell/find/ddeexec/application]
@="Folders"
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/shell/find/ddeexec/topic]
@="AppProperties"
[HKEY_CLASSES_ROOT/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/ShellFolder]
"HideOnDesktopPerUser"=""
注册表定位到：[HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Explorer/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}]
下面是已经被更改后的数据：
[HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Explorer/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}]
[HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Explorer/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/DefaultIcon]
@="C://Program Files//Internet Explorer//am_home.ico"
改回正常的数据：
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Explorer/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}]
[HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Explorer/CLSID/{208D2C60-3AEA-1069-A2D7-08002B30309D}/DefaultIcon]
@=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,00,53,00,48,00,/
45,00,4c,00,4c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,31,00,37,00,00,/
00
重启，至此，桌面上的“商业导航”被干掉了，如果重启桌面没有“网上邻居”图标，则按照正常的操作，右击“桌面”-“属性”-“桌面”-“自定义桌面”-“常规”选项卡里勾选“网上邻居”来添加“网上邻居”图标。
下面是恢复IE主页的操作：注册表定位到[HKEY_CLASSES_ROOT/CLSID/{871C5380-42A0-1069-A2EA-08002B30309D}/shell/打开(&H)/Command]
默认值改为："C://Program Files//Internet Explorer//iexplore.exe"
右击桌面IE-“属性”，将首页更改为空白或者你需要的网址，点击“确定”完成。
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