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If you do not restart the computer after you delete the Winsock keys, the next step does not work correctly.Step 2: Install TCP/IP Right-click the network connection, and then click Properties.Click Install.Click Protocol, and then click Add.Click Have Disk. Doing so causes the Windows XP operating system to create new shell entries for those two keys. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base: 322756 ( ) How to back up and restore the registry in WindowsFor more information about how to back up the registry, click the following article number to view the article in the Microsoft Knowledge Base: 322756 ( ) How to back up and restore the registry in Windows XP and Windows Vista Click Start, and then click Run.In the Open box, type regedit, and then click OK.In Registry Editor, locate the following keys, right-click each key, and then click Delete: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\WinsockHKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Winsock2 When you are prompted to confirm the deletion, click Yes.Note Restart the computer after you delete the Winsock keys. Then, you can restore the registry if a problem occurs. For added protection, back up the registry before you modify it. Therefore, make sure that you follow these steps carefully. However, serious problems might occur if you modify the registry incorrectly. If you have a program that no longer functions correctly after you use this resolution, reinstall the program to restore functionality.Note If these steps do not resolve the problem, follow the steps in the next section.Windows XP without Service Pack 2 instructionsTo repair Winsock if you do not have Windows XP SP2 installed, delete the corrupted registry keys, and then reinstall the TCP/IP protocol.Step 1: Delete the corrupted registry keysImportant This section, method, or task contains steps that tell you how to modify the registry. For more information, visit the following Web site: () Warning Programs that access or monitor the Internet such as antivirus, firewall, or proxy clients may be negatively affected when you run the netsh winsock reset command. Additionally, for computers that are running Windows XP SP2, there is a new netsh command that can rebuild the Winsock key. Steps to recover from Winsock2 corruptionWindows XP with Service Pack 2 instructionsTo repair Winsock if you have Windows XP Service Pack 2 (SP2) installed, type netsh winsock reset at the command prompt, and then press ENTER.Note Restart the computer after you run this command.
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