Installation and Troubleshooting Guide

Brought to you by

McAfee Installation fails between 79% and 83% or McAfee CleanBoot Error

  • On your keyboard press the to bring up the run dialog box.
  • Type temp and click "OK" to open your temporary folder. Delete all the files within this directory and close this window.
  • Again on your keyboard press the to bring up the run dialog box.
  • Type %temp% and click "OK" to open your temporary folder. Delete all the files within this directory and close this window.
  • Download McAfee Uninstall Tool and run the file McAfee Uninstall Tool
  • After the uninstallation completes do not click on "Restart"
  • Again on your keyboard press the to bring up the run dialog box.
  • Type msconfig and click "OK" to open system configuration.
  • In the General Tab, select the option "Selective startup". Ensure that "Load system services" is checked and uncheck "Load startup items".
  • Next select the Services Tab, Check "Hide all Microsoft services". Click on "Disable all".
  • Next Click on "Apply". Then Click on "OK". Now select the option "Restart"
  • After restart run the downloaded McAfee Installer to install McAfee
  • After McAfee installation completes, on your keyboard press the to bring up the run dialog box.
  • Type msconfig and click "OK" to open system configuration.
  • In the General Tab, select the option "Normal startup".
  • Next Click on "Apply". Then Click on "OK". Now select the option "Restart"