Maybe you are missing that here we are not talking about wallpapers, we are talking about splash screens instead. For the splash screen, If you own C10 Pro resp C10.5 Pro the file name must be exactly:
startup_cubase_pro.png
Maybe you are missing that here we are not talking about wallpapers, we are talking about splash screens instead. For the splash screen, If you own C10 Pro resp C10.5 Pro the file name must be exactly:
startup_cubase_pro.png