If you are witnessing error code 0 while installing McAfee security software, then you need first to check whether you used the correct McAfee product key or not. Moreover, if you have used the correct one, then you have to implement the following quick fixes:
• Uninstall the previous version of McAfee and then reinstall the latest version of this security software. • Try to run the Preinstall tools and then restart your PC. • Even you can try to remove all the malicious programs from your computer.
These steps will make your task easy as then your problem will be resolved from the root itself.