Someone will be glad to help. First, what version of Videopad is being used?
Specifically, what effects are you applying to a clip? The order of application can make a difference.
Letting others see your project is the best way to troubleshoot it. It's not difficult and can be done privately.
Here's how... http://nch.invisionzone.com/topic/23659-tips-for-getting-help-on-this-forum/
If it contains sensitive material you can link it in a personal message (PM) to me, via the envelope above. Be sure to FILE|SAVE PORTABLE PROJECT AS, not simply SAVE PROJECT, and don't forget to share it.