Your profile can not be used because it is from a newer version of NW.js
Your profile can not be used because it is from a newer version of NW.js. Some features unavailable. Please specify a different profile directory or use a newer version of NW.js.
You need to delete old configurator data folder from your PC. Data directory is in following directories according to your platform:
Internal HID Error
When you receive Internal HID error message it could possibly means that you disconnected board during data transfer or your board out of sync. Usually disconnect and then reconnect board helps in this situation.