Flush the DNS Cache and Reset the Winsock Catalog

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Thanh Vy

To resolve network issues, and especially useful for troubleshooting Windows Update, you can execute the following two commands to clear the DNS cache and reset the Winsock catalog.


  1. Open the Command Prompt by pressing Win + R on your keyboard > In the Run dialog box, type “cmd” in the field > then press Ctrl + Shift + Enter.
  2. Once you get the Command Prompt screen, enter and execute this command to flush the DNS cache: ipconfig /flushdns > press Enter.
  3. To reset Winsock, execute this command then enter: netsh winsock reset > press Enter.
Flush the DNS Cache and Reset the Winsock Catalog
Flush the DNS Cache and Reset the Winsock Catalog
Flush the DNS Cache and Reset the Winsock Catalog
Flush the DNS Cache and Reset the Winsock Catalog

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