That's a 360 file.
Exported as a simple mp4 at 1920x1080 it's fine in several viewers here, but for a glitch in the source at about 34.250. Check the timeline.
Exported as 360 and loaded into the GoPro player it renders in 360 with no glitches.
The problem doesn't appear to be with Videopad, but with the file - perhaps. If possible, try it on another PC.
Test the attached file, re-encoded with Handbrake. Right-click on it and Save. Export a standard mp4 (not 360) @ 30fps. It's clean here.
Handbrake.mp4
Here's something else to try, to ensure that there are no corrupt VP components.
Close Videpad. Open these folders in Windows Explorer (the file manager) and delete all files that they contain, then reinstall VP.
["C:\Program Files (x86)\NCH Software\Components"](http://%22C:%5CProgram%20Files%20(x86)%5CNCH%20Software%5CComponents%22) or a similar folder without the (x86)
["C:\Users\<PC Name>\AppData\Roaming\NCH Software\Components"](http://%22C:%5CUsers%5C%3CPC%20Name%3E%5CAppData%5CRoaming%5CNCH%20Software%5CComponents%22)
