I am using Vegas Pro 19, Build 643 on Windows 10.
Processor Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz 3.70 GHz
Installed RAM 64.0 GB (63.8 GB usable)
Device ID 03BF818F-FD57-4D01-B811-8D0145F0D44D
Product ID 00325-96317-27622-AAOEM
Graphics Card NVIDIA GeForce RTX 3080Ti
I imported a couple of video clips and created titles for what people are saying on the clips. I then added a couple of jpgs. They do not display on the preview screen. Furthermore, the videos have now stopped being displayed. Only the audio seems to be working.