What home version of VP is in use? The latest is here.
The best way to sleuth the issue is to share it - either with a link here or in a private message to me or a developer (PM) via the mail icon at the top-right of this forum.
Here's how... http://nch.invisionzone.com/topic/23659-tips-for-getting-help-on-this-forum/
Be sure to FILE|SAVE AS a PORTABLE PROJECT, not a project file. Zip the result, upload it, share it and post the shared link.