Hello if you were banned and can not play AVA enmasee version.
Use Iobit powerful uninstall ( google it ) to completely remove the game from your computer.
then do Fr3dy tutorial : https://www.youtube.com/watch?v=3bPxaHXduj0
This is for people who have ran into this problem Also use ccleaner and delete prefetch.
then restart your PC , and download ava.
Tutorial made by hooiser and helped by @Scythen