Please go through the following checklist before updating the flash memory of your Variax guitar to ensure the update completes successfully: Ensure that the interface you are using to update the Variax with (Workbench Interface, PODxt Live/Pro, POD X3 Live/Pro, POD HD500/HD Pro, Vetta II) is NOT connected to the computer through a USB hub. Make sure to connect the interface into a USB port directly into the computer, especially into the back of a desktop. If problems persist, make sure to te