A bunch of technical faults on your device can lead to a McAfee update error. The reasons behind this problem could be a weak internet connection, too many junk files on the device, your device not being suitable for updates, and many more. To fix the issue, you should identify the problem when the McAfee update error occurred and take action accordingly. In addition, you can access a comprehensive guide that will allow you to gather a thorough understanding of the troubleshooting methods.