Promotional banner image

IS YOUR COMPUTER SLOW? RUN LIKE NEW

If they are not maintained, computers lose performance over time. Norton Utilities Ultimate can help significantly improve the performance of your Windows computers.

Applicable for: Windows

Error: (8921,250) "Unable to connect to the Norton LiveUpdate server. Please check your Internet connection"

These steps are for the current version of Norton products.

STEP 1

Restart the computer

  1. Exit all programs.

  2. Restart the computer.

STEP 2

Run LiveUpdate

  1. Open your Norton device security product.

    If you see the My Norton window, next to Device Security, click Open.

  2. In the Norton product main window, double-click Security, and then click LiveUpdate.

  3. When Norton LiveUpdate is finished, click OK.

  4. Run LiveUpdate until you see the message, "Your Norton product has the latest protection updates."

  5. Exit all programs, and restart the computer.

STEP 3

Check the Internet connectivity

  1. Start your web browser.

  2. Try to connect to the following website:

    https://www.nortonlifelock.com

  3. Depending on your situation, do one of the following:

STEP 4

Configure LiveUpdate proxy settings

  1. Open your Norton device security product.

    If you see the My Norton window, next to Device Security, click Open.

  2. Click Settings.

  3. In the Settings window, click Administrative Settings.

  4. Under Administrative Settings, next to Network Proxy Settings, click Configure.

  5. In the Network Proxy Settings window, under Proxy Settings, select Use a proxy server for HTTP connections.

  6. Type the address and port of the proxy server.

  7. If authentication is required for the proxy, check I need authorization to connect through my firewall or proxy server, and then type the user name and password.

  8. Click Apply and then click OK.

  9. Click Close.

  10. Run LiveUpdate again.

DocID: v99191802
Last modified: 03/24/2026

Was this article helpful?

Promotional banner image

Keep your online identity private!

Browse like no one’s watching with Norton anti-tracking software.

Need more help?

Download
Manage my account
Buy & renew
Contact us
Community
Support scams
Norton rescue tools
Think you have virus?
Problem launching on Windows