In Pinnacle when I'm loading my mini dv's I sometimes get dropped frames when I capture the video in to my system.
Are you capturing via Firewire, USB, RCA connection? What are your system specs...
Going Firewire out of camera into system. I have pinnacle set to DV Capture format
Try capturing to a separate HDD that's not doing anything. And don't touch the PC during the capture.
Yes. Separate HD (you should have software on one HD, and use the other for nothing but data), and, shut down any anti-virus software, or other softwares that don't need to be running.
When I load my projects I load them onto a separate external HD. I also turn off anti virus and programs.
You might try capturing with some 'less busy' software. http://www.videohelp.com/tools/WinDV is supposed to have a real tiny footprint.