How to troubleshoot Norton Error code 8921 and 243?

Norton Error code 8921 and 243 has become the most common issue faced by some Norton user. In that case, its resolution and causes are very essential to know so that you can avoid it before it happens to you. Or if you already are facing this issue then get it resolved by following the given troubleshooting steps. Because Norton is specifically developed to provide extensive protection to your device against advanced viruses and malware so, it is necessary to fix this error so that it can work again to protect your device. For quick fixing, get in touch with the technical expert by calling on Norton Technical Support Service.

Before moving ahead for resolution steps, have a look at the causes and symptoms of Norton Error 8921 and 243:

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• Other program installation might delete the Norton related files
• Incomplete or corrupt installation of the software program as well as Norton itself
• Missing files or damaged files
• Corrupted or damaged Windows registry entry


• Your computer might hang constantly
• Your active window crashes with Norton Error code 8921 and 243 messages on the screen
• Your system might respond sluggishly or slowly

Resolution of the Norton Error code 8921 and 243:

Method 1: Download Norton Error 8921 and 243 repair tool

• First of all, download Norton Error 8921 and 243 repair tool
• Select and click on Scam option
• Click on the ‘Fix All’ option
• When post-scan is finished and then, restart the system

Method 2: Advanced Computer User solution (update manually)

• Log in as system administrator in your system
• Click on the Start option
• Click on All program > Accessories > System Tools and click on System Restore
• Choose the option ‘Restore my computer to an earlier time’ in the new window and click on Next
• From the ‘On this list, click a restore point’ list from the recent system restore point and then, click on Next
• On the confirmation window just click on Next
• When the restoration is completed then restart the computer

Method 3: Run the Norton Autofix Tool

• First of all, start the Norton product
• Now, click Help that appears in the main window and select Get Support
• (With the installation of your Norton product automatically, Norton auto-fix will identify and resolved the issues or services which aren’t running properly on your computer)
• Select and then click on Close

Method 4: Download and Run the Norton Remove and Reinstall tool

• Download the Norton Remove and Reinstall tool (file is automatically saved to its default location)
• Then, press Ctrl + J key simultaneously to open the downloads windows in your browser
• Choose and then double-click on the NRnR icon
• Now, click on Agree after reading the license agreement
• Select Remove and Reinstall if your Norton product is from your retailer then you might see the Remove button
• Click on Remove or Continue
• In the end, select on the Restart Now option
• When the system is rebooted, then follow the on-screen prompts to reinstall Norton

Method 5: Run Live Update

• First of all, click and Start the Norton product
• Click on Security and then click on LiveUpdate that appears in the main window
• Select and click on Ok when Norton LiveUpdate is completed
• Until you see a message, “Your Norton product has the up-to-date protection updates”, and run the Live update
• After closing all the programs, it is advisable to restart your device

These are the resolution method of Norton Error code 8921 and 243. If you have any queries regarding any of the given methods then it is suggested to get in touch with the technical experts by calling on Norton Helpline Number UK. The technical team not only helps you in this error code but they also fix any kind of Norton server issue or other technical glitches. The teams are available 24x7 to help you in any manner they can.