Avast displays an on-screen prompt afterwards where it wants you to verify that this is intended.You will receive a warning message, continue here.Remove the check mark from 'Enable avast! self-defense module'.Click on Troubleshooting after the avast! Settings open up.Click on the Settings link in the left sidebar.Open the Avast software interface on your system.To disable the self-defense mechanism, do the following: Note: before you go there, you need to disable the self-defense mechanism of the Avast application running on your system, or quit it, or remove the folders while booting into another operating system as they are protected otherwise and cannot be removed.