What do I do if an app unexpectedly quits, stops responding, or won't open? Follow the steps outlined in this Apple support article: https://support.apple.com/en-us/HT201398 Related articles Why am I having issues importing files from Dropbox? Can I use an Apple TV to present wirelessly without WiFi? How do I manage my subscription? What is the price for the LIT SUITE? How do I create placeholder Issue Codes in TranscriptPad?