

This article explains how to check that QuickTime is installed and working and includes some troubleshooting suggestions if you are having problems with QuickTime. QuickTime is included on Mac systems and is available for Windows. includes a browser plugin that enables you to play movies and other online media in your Waterfox browser. The QuickTime application from Apple, Inc. The QuickTime browser plugin has been blocked for your protection. You should uninstall the QuickTime application if you have it installed. QuickTime for Windows has been discontinued by Apple and has known critical security vulnerabilities.

Support ended for all NPAPI plugins, except for Adobe Flash, in Waterfox version 52. Use the QuickTime plugin to play audio and video
