Videopad doesn't automatically apply video fade ins to imported media, or when those clips are added to the timeline. What version are you using? Look at the left-bottom corner of the VP window.
Describe in more detail what you are seeing, or record a video of the screen and post a link to it here...
Upload the file/s to a free server, such as Google Drive or MS OneDrive, right-click the link and Share. Copy the result and paste it here or to me in a Private Message via the mail envelope in the top-right corner of this forum. When using Google Drive, if necessary change "restricted" to "anyone with link can view.**