McAfee error code 1603 

While downloading the McAfee antivirus, you may face McAfee error 1603. This error usually occurs during the installation and update process. Whenever the system fails to complete the installation process or update process, it displays McAfee error code 1603 on the screen. If you need help to fix this error then contact McAfee support team.

https://www.myquery.co.uk/mcafee-error-1603/