Power off the tablet by holding the red power button on the back of the tablet. You will see a mini menu pop up in the top-right corner of the screen. Choose "Power off". *NOTE* Depending on your model, the power button may be black instead of red. It's the only button on the back of the mounted tablet other than the volume + and - buttons.
Hold the plus(+) and minus(-) volume buttons found on the back of the tablet.
Power on the tablet by pressing the red power button while still holding the plus(+) and minus(-) volume buttons.
The tablet will boot up into the Android recovery boot menu. Release the plus(+) and minus(-) volume buttons.
Use the plus(+) and minus(-) volume buttons to move the menu selection.
Choose Wipe Data/Factory Reset from the menu. Press the power button on the back of the tablet to make your selection.
Once the data wipe/factory reset is complete, choose Reboot System Now
Connect to WiFi or Ethernet when prompted.
Select the App Update (Make sure it's NOT the firmware update you select) *NOTE* If the app update fails to load, then hold the power button on the back of the tablet until the Power Off option comes up in the top-right corner to shut down the tablet.
Turn the tablet back on, and repeat step 9 when prompted.
The app should update, and you should be able to access it again
Check for Tablet Firmware and Bike Firmware in the More page of the app to make sure they are up to date.