Fix Norton Error Code 8921, 251

How to Fix Norton Error 8921,251 Unable to Connect to the Norton Live Update Server?

Norton Internet Security Error 8921 251 is usually caused by a misconfigured system files that create registry errors within your operating system. The other causes to occur this error include malicious software such as spyware, adware, and viruses. When this error happened, then the users faced the problem like slow PC performance, system crashes, computer freezing and many others. Well, here, the blog will guide you simple solutions on How to Fix Norton Error 8921,251 Unable to Connect to the Norton Live Update Server? So you just need to follow the below troubleshooting solutions.

Fix Norton Error 8921, 251

Steps to Fix Norton Error 8921,251

Step 1:- Restart the Computer

When you got this error, then you should do to immediately close all the programs which are currently running on your Computer. Then try to restart your computer. Check if the problem has been resolved after restarting the Computer. If the same problem persists, then go to the next solution.

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Step 2:- Run LiveUpdate

Might be you are running Norton product older version, so you need to confirm. If yes, is it correct! Then run a new version of the Norton products on your PC.

  • Start your Norton product.
  • Go the main window, select the “Security”, and then hit on “LiveUpdate” option.
  • Once Norton LiveUpdate is finished, then tap “OK” button.
  • Run “LiveUpdate” while you view the message that is “Your Norton product has the latest protection updates.”
  • Now, exit all the programs, and then restart your computer.

Check the Norton Error 8921,251 resolved. If not, then go to the next solution.

Step 3:- Configure Norton ConnectSafe

  • Press the “Windows” + “R” keys to open the Run dialog box.
  • In the Run dialog box, you will need to type the command “ncpa.cpl” and then tap “OK” button.
  • Now, right click on the network adapter which is currently active, and then taps on the “Properties”.
  • When you see the “User Account Control” window, and then click “Yes”.
  • In the “Network Connection Properties” window, under “This connection uses the following items”, hit on “Internet Protocol (TCP/IP) or Internet Protocol Version 4 (TCP/IPv4)”.
  • Tap on “Properties”.
  • To specify DNS server address settings, tap on “Use the following DNS server addresses”.
  • In the “Preferred DNS server and Alternate DNS server” boxes, type the two Norton ConnectSafe IP addresses.
  • Preferred DNS:
  • Alternate DNS:
  • In the Internet Protocol (TCP/IP) Properties window, click “OK” button twice time.
  • Run LiveUpdate in your Norton product.

Step 4:- Manually Repair Registry Entries

You should try to manually repair your Windows registry to fix the error.

  • On your computer, go to “Start” button.
  • Then type “command” in the search box, and don’t press “Enter” button.
  • While holding CTRL-Shift on your keyboard, hit ENTER.
  • You will be prompted with a permission dialog box. Click “Yes” button.
  • Now black boxes will appear with a blinking cursor. Then type “regedit” and hit ENTER.
  • In the Registry Editor, choose the Error 8921,251 related key which you want to back up.
  • Go to the File menu, select “Export”. Then switch “Save In” list, and then choose the folder where you want to save the Norton Antivirus backup key.
  • Go to “File Name” box, then type a name for your backup file, such as “Norton Antivirus Backup”.
  • In the “Export Range box”, be sure that “Selected branch” is selected. Click Save.
  • Then file is then saved with a “.reg file extension”.
  • You now have a backup of your Norton Antivirus-related registry entry.
  • Next step you will have to do is that to manually edit your registry, for which you can take Norton Antivirus Tech Support Team Help.

After all the steps, may your problem will be resolved definitely.


Connect With Professionals Now! Dial Norton Support Number

For reaching with Norton customer support, you can anytime from anywhere dial Norton Customer Support Number +1-800-227-6190, which is available for your online help. A team of certified and experienced customer support experts will complete guidance or troubleshooting instruction to fix this problem.  Also, you can grab the reliable, extensive and the best possible solutions to fix other Norton antivirus technical issues or errors in a short period of time. Hence, contact at number now to get immediate help.