You have tacked onto a very old thread. Best to start a new one. While the old footage could be an issue, that's unlikely. Submit a sample file and someone will test it. Upload the file to Dropbox, Google Drive, Microsoft OneDrive, etc. Copy (share) the URL and paste it into your post here.
What version of VP is being used? Try the latest. For licensed users upgrades are free for up to six months from purchase date. After that, VP will continue to fully function but a fee will be required in order to register the newest. Retain your old install file and registration info.
Drop back in here if that doesn't solve the problem.