In order to run the application you need to have installed and configured MySQL Server 5 and MySQL GUI Tools. To solve your problem, uninstall the application using its uninstaller or Add or Remove Programs feature and download and install MySQL Server 5. After the process is completed, check the Configure the MySQL Server now and Register the MySQL Server boxes. Click Next, choose Standard Configuration, check the Install as Windows Service and Include Bin Directory in Windows Path boxes and follow the on-screen instructions. Take care to not check the Enable root access from remote machines option. Next step is to download and install MySQL GUI Tools and then Blazar Media Mixer. If you still have issues, use the form from the official web page to get in touch with the developer.