Método 1: Llamar a la función “Setup API InstallHinfSection” para instalar el Firewall de Windows Para instalar el Firewall de Windows, siga estos pasos:
Click Start, click Run, type cmd, and then click OK.
At the command prompt, type the following command line, and then press ENTER:
Rundll32 setupapi,InstallHinfSection Ndi-Steelhead 132 %windir%\inf\netrass.inf
Restart Windows,
Click Start, click Run, type cmd, and then click OK.
At the command prompt, type the following command, and then press ENTER:
Netsh firewall reset
Click Start, click Run, type firewall.cpl, and then press ENTER. In the Windows Firewall dialog box, click On (recommended), and then click OK.
Método 2: Añadir la entrada de Windows Firewall al registro Importante Esta sección, método o tarea contiene pasos que le indican cómo modificar el registro. Sin embargo, pueden producirse graves problemas si modifica el registro de forma incorrecta. Por lo tanto, asegúrese de seguir estos pasos cuidadosamente. Para mayor protección, haga una copia de seguridad del registro antes de modificarlo. Así podrá restaurar el registro si se produce un problema. Para obtener más información sobre cómo hacer una copia de seguridad y restaurar el registro, haga clic en el siguiente número de artículo para ver el artículo en la Base de conocimientos de Microsoft: 322756 Cómo hacer una copia de seguridad y restaurar el registro en Windows
Para añadir la entrada del Firewall de Windows al registro, siga estos pasos:
Copy the following text into Notepad, and then save the file as 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
Double-click Sharedaccess.reg to merge the contents of this file into the registry and to create the Windows Firewall entry.
Restart Windows.
Click Start, click Run, type cmd, and then click OK.
At the command prompt, type the following command, and then press ENTER:
Netsh firewall reset
Click Start, click Run, type firewall.cpl, and then click OK.
Configure the Windows Firewall settings that you want to use.
Si estos métodos no funcionan, reinstale Windows XP SP2.