Can't uninstall Avast Premium

Avast Free Antivirus / Premium Security
1

I need to uninstall all Avast. Selecting “uninstall” and entering password doesn’t work. Please help

2

https://www.avast.com/en-eu/uninstall-utility

https://support.avast.com/en-us/article/Uninstall-Antivirus/#idt_010

3

Uninstall Avast
Download the Avast Uninstall Utility to your Desktop http://www.avast.com/en-gb/uninstall-utility
For Windows XP and Vista get the Avast Removal tool from here https://support.avast.com/en-us/article/Uninstall-Antivirus/
Uninstall Avast via the control panel and follow the directions.
Run the Uninstall Utility and accept the reboot to safe mode
Once complete reboot your system.
A video to help you use the Avast Uninstall Utility is available at https://youtu.be/KD8LO8OxmvM