Norton offers world-class security solutions to the computer users across the world. Norton antivirus range is specifically designed to protect your computer system from all sorts of viruses that lurk in the digital world. It makes sure that your data and software are safe. Norton has special antivirus that are designed to meet the security needs of your entire family. This can be done by purchasing Norton Family Premiere. Norton keeps on backing up your data online automatically to avoid situations like data corruption or data loss.

At times, Norton may find some issues in backing up your data online. There are several issues and here is a list of common Norton online back errors that you may face at some point of time. We have also provided the solution of these errors to make it easy for you troubleshoot them:

Norton Error code A2266

• Cause

This error occurs when restoring the files back to the computer fails.

• Solution

1. For Windows XP- Create a new folder and restore the files to that folder
2. For Mac- Create a restored files folder in the following location- /User/Shared/

Access the following folder and remove all its contents:

C:\Documents and Settings\All Users\Application Data\Symantec\Norton Online Backup\work

3. For Windows 10/8/7/Vista- Create a new folder, which is accessible to everyone. Restore the files to this folder

Norton Error Code A2810

• Cause

The error indicates if there is no internet connection, which stops the Norton backing up your data online. The main reason of this error is when you use a hardware-based firewall.

• Solution

1. Stop the Norton backing up activity
2. Check your internet connection
3. Try now!

Norton Error Code A2816

• Cause

This error occurs when your computer firewall blocks the backup software from connecting

• Solution

To fix this software-based firewall problem, check your computer firewall settings and change them to allow the online backup run.

Norton Error Code A4169

• Cause

This error occurs when the online backup process time outs.

• Solution

Open the task manager by right-clicking the task bar and from active processes stop the Norton online backup process. Now open the program files and under Symantec folder, remove all the contents as well as complete Norton online backup folder.

Norton Error Code A2028

• Cause

The error occurs with a message “a previous session connected, but was not released”

• Solution

To fix the error, all you need to do is restart your backup or restore the files later.

Norton Error code A1002

• Cause

You will see this error if backup or restore failed

• Solution

Just ensure that your computer is continuously turned on and connected to the internet until the backup or restore finishes.

If any of the aforementioned problems still persist, call Norton.com/Setup team and get it fixed by a certified technician.

Source: http://norton-setup-account.com/how-to-troubleshoot-norton-online-backup-errors/