Okay, folks suggest that I use TIMEline Mode but on a number of occasions, there is no information in that mode. The entire area is blank but the movie is there in and I can run it and view it in Storyline Mode. Sometimes I can reboot the computer and it will come back the next time I open the project. This time that did not help. It remains blank.
OS Name Microsoft Windows 10 Pro
Version 10.0.19044 Build 19044
Processor Intel(R) Core(TM) i5-4690 CPU @ 3.50GHz, 3501 Mhz, 4 Core(s), 4 Logical Processor(s)
Platform Role Desktop
Installed Physical Memory (RAM) 32.0 GB
Total Physical Memory 31.9 GB
Available Physical Memory 20.1 GB
Total Virtual Memory 52.9 GB
Available Virtual Memory 39.3 GB
Page File Space 21.0 GB