Article ID: 892889 - View products that this article applies to.

To continue receiving security updates for Windows, make sure that you're running Windows XP with Service Pack 3 (SP3). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows

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After you install Windows XP Service Pack 2 (SP2), you receive one of the following error messages when you try to connect to the Internet:
  • Error 678 "The remote computer did not respond"
  • Error 769 "The specified destination is not reachable"


Typically, you may receive these error messages when one of the following conditions is true:
  • A network cable is disconnected.
  • The modem has been disabled.
  • The modem drivers are corrupted.
  • Spyware is running on the computer and is interfering with the connection.
  • Winsock has to be repaired.
  • Third-party firewall software is blocking the connection.


To troubleshoot this issue, follow these steps.

Step 1: Make sure that the network cable is connected

Step 2: Make sure that the network adapter is enabled

Step 3: Reset the modem

Step 4: Uninstall and then reinstall the modem and the drivers by using Device Manager

Step 5: Create a new DSL or cable connection

Step 6: Repair Winsock and TCP/IP

Step 7: Temporarily uninstall third-party firewalls

Step 8: Scan for and remove spyware and adware

Step 9: Clear the temporary Internet files

Additional steps

If the problem continues after you follow the steps in this article, try the following procedures. These procedures may help you determine the cause of the problem, or they may resolve the problem.

Repair the network connection

Renew the IP address

Scan for viruses

More information

If you are using Microsoft broadband hardware, you may have to install software and firmware updates. For more information about how to obtain these updates, click the following article number to view the article in the Microsoft Knowledge Base:
814445 MSBBN: How to update the firmware and software for your Microsoft Broadband Networking device
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.


Article ID: 892889 - Last Review: July 12, 2013 - Revision: 11.1
Applies to
  • Windows Defender
kbdefenderrtwswept kbdefenderrtwno kbhowto kbinfo KB892889

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