Fix Flash Player white screen on Cyberindo Billing

- Download and extract this file https://drive.google.com/drive/folders/1koijv9ZiUrf7rSZ5dvUnHJlLdZ0onYx1?usp=sharing

- Run uninstall_flash_player.exe until the process is completed.

- Run install_flash_player_ax.exe, then reboot your PC after the installation is completed.