Perform steps 1-2 first and then attempt to install McAfee software.
Step 1: Verify Windows updates. This step helps prevent issues with McAfee software installation or use.
1. Click Start in the lower-left corner of your Windows desktop computer.
2. In the search field:
A. Type Windows update.
B. Press Enter.
3 Check for Updates
4. Follow instructions as Windows downloads and apply updates if necessary.
Step 2 – Uninstall All Existing Security Products
To avoid potential conflicts between antivirus and firewall programs and older McAfee software versions, any existing security products, such as antiviruses and firewalls, should be uninstalled to avoid possible interferences.