Check the computer you wish to download the antivirus software onto has a solid Internet connection. All the lights on your router should be glowing green, showing a working network. Check your Internet Connection Image Credit: Ĭheck that your router has a strong signal. As the original error was caused by a possible drop in Internet connection, make sure you have a constant network connection. Once the nonworking version of the software has been uninstalled, it is now time to install a fresh new copy.

Type in the administration password if needed, click ‘OK’and then click ‘Finish.’.

Locate the ‘McAfee Internet Security Uninstaller’ and double-click.

In ‘Dock’ locate the ‘Applications’ folder.

Then click ‘Remove’ to completely uninstall the software.

Select ‘Remove all files’ from the McAfee Security Center.

Find the ‘McAfee Security Center,’ right-click the icon and select ‘Uninstall/Change.’.

Within the ‘Control Panel’ select, ‘Programs and Features.’.

Select ‘Control Panel’ in the Start menu.

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