VBOX LapTimer Last updated Save as PDF Share Share Tweet Share VBOX LapTimer troubleshooting articles can be found below, the full User Guide can be found here. Predictive LapTimer Screen Shows Strange ValuesTroubleshooting tips if the predictive lap timing screen on a VBOX LapTimer is showing strange values.VBOX LapTimer Error MessagesTroubleshooting tips with VBOX LapTimer error messages.VBOX LapTimer Keeps Freezing Whilst Connected to GPSTroubleshooting tips if VBOX LapTimer keeps freezing whilst connected to GPS.