方法 1: 调用 " 安装 API InstallHinfSection " 函数以安装 Windows 防火墙  loadTOCNode(2, 'resolution');要安装 Windows 防火墙, 请按照下列步骤:1. 单击 开始 , 单击 运行 , 类型 cmd然后单击 确定 。  2. 在命令提示符下, 键入以下命令行, 然后按 ENTER 键:  Rundll32 setupapi,InstallHinfSection Ndi-Steelhead 132 %windir%\inf\netrass.inf  3. 重新启动 Windows,  4. 单击 开始 , 单击 运行 , 类型 cmd然后单击 确定 。  5. 在命令提示符, 键入以下命令, 然后按 ENTER 键:  Netsh firewall reset  6. 单击 开始 , 单击 运行 , 类型 firewall.cpl然后按 ENTER 键 。 在 Windows 防火墙 对话框, 单击 On (推荐) , 并单击 确定 。 
 
  方法 2:将 Windows 防火墙项添加到注册表   警告:如果使用注册表编辑器或其他方法错误地修改了注册表,则可能会出现严重问题。这些问题可能需要重新安装操作系统才能解决。Microsoft 不能保证可以解决这些问题。修改注册表需要您自担风险。   要将 Windows 防火墙项添加到注册表,请按照下列步骤操作:   1、将下列文本复制到“记事本”中,然后将文件另存为 Sharedaccess.reg:   Windows Registry Editor Version 5.00   [-HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess]   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess]   "DependOnGroup"=hex(7):00,00   "DependOnService"=hex(7):4e,00,65,00,74,00,6d,00,61,00,6e,00,00,00,57,00,69,00,\   6e,00,4d,00,67,00,6d,00,74,00,00,00,00,00   "Description"="Provides network address translation, addressing, name resolution and/or intrusion prevention services for a home or small office network."   "DisplayName"="Windows Firewall/Internet Connection Sharing (ICS)"   "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,00,73,00,79,00,73,00,74,00,65,00,6d,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,00,20,00,6e,00,65,00,74,00,73,00,76,00,63,00,73,00,00,00   "ObjectName"="LocalSystem"   "Start"=dword:00000002   "Type"=dword:00000020   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Epoch]   "Epoch"=dword:00002cd0   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters]   "ServiceDll"=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,\   69,00,70,00,6e,00,61,00,74,00,68,00,6c,00,70,00,2e,00,64,00,6c,00,6c,00,00,\   00   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy]   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile]   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications]   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List]   "%windir%\\system32\\sessmgr.exe"="%windir%\\system32\\sessmgr.exe:*:enabled:@xpsp2res.dll,-22019"   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications]   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List]   "%windir%\\system32\\sessmgr.exe"="%windir%\\system32\\sessmgr.exe:*:enabled:@xpsp2res.dll,-22019"   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Setup]   "ServiceUpgrade"=dword:00000001   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Setup\InterfacesUnfirewalledAtUpdate]   "All"=dword:00000001   [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Enum]   "0"="Root\\LEGACY_SHAREDACCESS\\0000"   "Count"=dword:00000001   "NextInstance"=dword:00000001   2、双击“Sharedaccess.reg”以将此文件的内容并入到注册表中,并创建 Windows 防火墙注册表项。   3、重新启动 Windows。   4、单击“开始”,单击“运行”,键入 cmd,然后单击“确定”。   5、在命令提示符处,键入以下命令并按 Enter:   Netsh firewall reset   6、单击“开始”,单击“运行”,键入 firewall.cpl,然后单击“确定”。   7、配置要使用的 Windows 防火墙设置。   如果上述方法不起作用,请重新安装 Windows XP
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