Hi joe, I reinstalled Flip4Mac but it made no difference so I used visual hub and converted them to MP4s and they played perfectly with VLC. Such a simple solution, as is usually the case.
Your response is appreciated. jaybass


OS 13.6.6 iMac (Retina 5K, 27", 2017, 3.4 GHz Intel Core i5, 24 GB RAM, 2400 MHz DDR4. SuperDuper. 1 TB Lacie HD