The fact that Antivirus Norton is not compatible with Thunderbird,you must configure it manually, perform as explained below: Open Norton Antivirus Select Configure > File Systems>Auto-Protect Cross check the box [Exclude files/folders selected] Click [exclusions] and [Files/Folders] Select the folder [Inbox] (without extension) under:
Right click on the footage in the Project Window. Click Interpret Footage. At the bottom, under Other Options, it’ll say “Loop _ Times.” By default it’s set to 1. But just increase that number however many times you want it to loop.