My app keeps crashing or freezing. What do I do? Grubhub for Drivers Updated April 18, 2019 14:43 Follow Try force closing the app and opening it again. If the app is still not working, you can contact Driver Care by emailing firstname.lastname@example.org. Related articles How do I set up the Grubhub for Drivers app? I received a "Parse error" message. What's wrong? Why am I not receiving any notifications for orders? Can I deliver without a block? Do I need to file taxes as a Grubhub driver? Comments 0 comments Article is closed for comments.