Troubleshooting My Philips NutriU app closed or crashed If your Philips NutriU App is crashing, we are here to help. Find out below how to easily solve this yourself. Old version installed If you have an old version installed, your NutriU app might not be working as it should. Please, make sure to download and install the latest version of the app. Unexpected error If your NutriU app crashed and you do have the latest version installed, then your app is experiencing an unexpected error. To solve this, please restart your phone. If the problem persists after restarting your phone, then we recommend you reinstalling the app (completely uninstalling it and then installing it again).