Error: (8921,251) "Unable to connect to the Norton LiveUpdate server. Please check your Internet connection"
These steps are for the current version of the Norton products. If you have an older version or if you do not know your product version, go to Norton Update Center.
Check the Internet connectivity
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Start your web browser.
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Try to connect to the following website:
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Depending on your situation, do one of the following:
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If you can connect to the website, go to Step 2.
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If you cannot connect to the website, check with your Internet service provider.
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Download and run Norton Power Eraser
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Download Norton Power Eraser.
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Click
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Select the location as Desktop, and then click
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To run Norton Power Eraser, double click the
file.If the User Account Control window prompts, click or .
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Read the license agreement, and click
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In the Norton Power Eraser window, click the icon.
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By default, Norton Power Eraser performs a Rootkit scan and requires a system restart. When you see a prompt to restart the computer, click
. If you do not want to include the Rootkit scan, go to , and uncheck the option . -
After the computer is restarted, the scan starts automatically. Follow the on-screen instructions.
Update your virus definitions using Intelligent Updater
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Go to the Intelligent Updater downloads page.
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To choose the correct definition set, you need to know the name and version of your Norton product and the version of Windows.
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Depending on your version of Windows and Norton product, download the appropriate definition set.
Norton product version
Windows 32-bit platform
Windows 64-bit platform
22.9 and later
e.g. 20170126-020-core3sdsg2v5i32.exe
e.g. 20170126-020-core3sdsg2v5i64.exe
22.7 and 22.8
e.g. 20160718-008-core3sdsv5i32.exe
e.g. 20160718-008-core3sdsv5i64.exe
22.6 and earlier
e.g. 20160718-008- v5i32.exe
e.g. 20160718-008-v5i64.exe
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Save the file to the Windows desktop.
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On the desktop, double-click the file that you downloaded.
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In the Symantec Intelligent Updater window, click to continue.
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When Intelligent Updater finishes updating the definitions, click
.
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Operating System: Windows
Last modified: 11/12/2018