How to fix McAfee Antivirus Error code 0?

How to fix McAfee Antivirus Error code 0?

McAfee is one of the leading antivirus software available in the market and is the second most used antivirus software worldwide. It is compatible with Windows 7, XP, Vista, 8, 8.1, and 10. The download and installation process of McAfee software is quite simple and easy. For McAfee’s antivirus software, you can start activating your registration code online. When you download the product, you will get a serial number distinct from your activation code. Keep it safe as both are essential to reinstall the product on the same device. But, in recent times, some users have encountered the error code 0 while installing the McAfee antivirus software on their PC. So let's discuss How to fix McAfee antivirus error code 0 error code 0 on your computer.

error code 0
McAfee installation Error


  • Step 1:The error code 0 occurs due to a number of reasons and some of the main reasons are mentioned below.
  • Step 2:The error code 0 can be due to corrupted files in the Windows registry.
  • Step 3:There are high chances of malware or virus present on your PC, which is interfering with the McAfee products.
  • Step 4:Malicious programs can harm and corrupt the documents and this can also lead to error code 0.
  • McAfee Scanner
  • Step 5:The error can be due to previous incomplete installation or corrupted downloads.
  • Step 6:There are some chances that you have accidentally deleted McAfee antivirus license files with another program.
  • Step 7:Windows keeps running ineffectively and reacts slowly to the input devices like mouse and keyboard.
  • Step 8:You might have another antivirus software installed on your Windows. So try to uninstall it first, as Windows will misbehave with more than one antivirus software installed on the computer.


  • Step 1:Try to repair the registry files that are linked with the McAfee antivirus software.
  • Step 2:Download and install Malwarebytes on your PC or Laptop.
  • Step 3:If you feel that your computer is affected by viruses, scan your computer for malware and remove it altogether.
  • Step 4:Make use of the Disk cleanup option to remove the system's junk files and folders.
  • Disk cleanup
  • Step 5:If there is any new driver update, install the same on your computer.
  • Step 6:Re-attempt to install the McAfee antivirus software on your computer
  • Step 7:Delete the existing installer file and download the latest McAfee installer file from the official website.
  • Step 8:Install the same and if the error persists, check if there is any problem with Domain Name System.
  • Windows Network Daignostic
  • Step 9:After completing the above steps, reboot your system and check whether the error code 0 is still persisting or gone.
  • Step 10:By following all the steps, you would be able to resolve the issue from your computer. If the problem (McAfee error code 0) is still there on your computer, feel free to contact our support. We will assist you to solve the issue