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How to uninstall and reinstall TCP/IP

Windows XP

  1. Click Start, Run and type ncpa.cpl. Press Enter
  2. In the Network Connections window that appears, right-click on the connection type that is being used and select Properties
  3. In the Connection Properties window, click Install, then select Protocol and click Add
  4. Click on Have Disk, browse to or type C:\windows\inf into the Copy manufacturer's files from: field and then click OK
  5. Select Microsoft under Manufacturers and click on Internet Protocol(TCP/IP) under Protocols
  6. Click on OK. When the installation is complete you are taken back to the Connection Properties window. Close that window and restart the computer