The UI Process failed to respond in time. This can happen if an Antivirus blocks the BeamNG.drive.ui.exe application. You can eventually get more help there: http://wiki.beamng.com/Errors/Unresponsive_UI_Process Do you want to open that address in your browser now?
BeamNG.drive has experienced a fatal error. Clicking on OK will close BeamNG and create a crashreport. Please send the report so we can resolve this problem.