To uninstall McAfee VirusScan from a computer running Windows, click the Start button, click Control Panel, click Programs, and click Programs and Features. Locate McAfee VirusScan from on the list of installed programs, and click the Uninstall button next to it. Enter the administrator password of the computer to confirm, and proceed with the process.
After removing the McAfee anti-virus software from the control panel, navigate to the McAfee website, click Support at the top of the page, and enter "TS101331" in the Search text box. Click the support document for "TS101331" in the search results, scroll down to step two of the solution, and click the link to download the McAfee consumer product removal tool.
Once downloaded, locate the MCPR.exe file on the computer, double-click it, and click the Yes button in the User Account Control dialog box. Click the Next button on the McAfee software removal screen, accept the end user license agreement, enter the CAPTCHA code as indicated on the screen, and click the Next button to proceed. Restart the computer to complete the removal process.
To uninstall McAfee VirusScan from a computer running Mac OSX, navigate to Softonic.com, enter "McAfee VirusScan Uninstaller" in the Search text box, and select Mac in the drop-down list next to the text box. On the software page, click Free Download, and click Free Download again to download this software. Once downloaded, double-click the file, and enter the administrator password to remove McAfee VirusScan.