Bought, received and installed Magix Sony Vegas Pro 17.
Registered product. Open new project in software program, pull in images and a video clip. Edit it how I want it and then saved it. Then Rendered clip. Upon playback of MP4, watermark appears of file name MP4. Playing back on VLC player.
Project Properties and My System on PC
Watermarks should not be appearing; this is why I bought the program.