In this case, you wish to turn off Avast temporarily in order to get the programs on your PC. Nevertheless, it is not uncommon that you are unable to install certain applications as Avast blocks it from Windows systems. How Do I Uninstall Avast on Windows 10? Disable or Uninstall Avast Antivirus OverviewĪvast antivirus utility has become the preferred choice when users feel like utilizing a tool to safeguard the PC. Disable or Uninstall Avast Antivirus Overview