Ensure your keyboard is in the correct mode (USB Storage mode) and that the Yamaha USB-MIDI driver is installed.
Click on your Install Target in YEM. Go through each pack tile and uncheck high-capacity voices or samples that you do not plan to use. Watch the memory bar turn from red back to green. 2. Software Crashes on Windows 10 yamaha expansion manager v2.8.1 for windows 10 8.1
Select your downloaded expansion pack files ( .ppf or .cpf ) and click . Ensure your keyboard is in the correct mode