You do not have to worry if your McAfee antivirus scan fails. It is obvious to face this issue due to some technical reasons on your antivirus product or PC. Therefore, to help you resolve this error from your PC, this content is going to know its root causes. Also, you learn about some effective methods by using them; you will solve the issue thoroughly from your device.
Using an older version of McAfee product: If you are using an older version of McAfee product, some of its features might not work properly. As a result, it can face some issues in scanning viruses.
Having any other third-party software: Using another third-party antivirus than McAfee can give birth to this conflict in your device.