anyway, try deleting the whole Gazo Tuber folder here:
"C:\Users\your username\AppData\Roaming\Godot\app_userdata\Gazō Tuber".
After that, try downloading it again. If it doesn't work, delete the whole Gazo Tuber again and download the alt version from here:
https://drive.google.com/file/d/1Q3DYWcw-rfl1D3Th2O6FRr7cYZoZ0gkD/view?usp=share...