This sounds like the Augusta capture card format is not being recognized by the pc. Your best option is to save/burn the recordings to DVD-R(W) and then transfer them from DVD to PC.
yes, connect the USB to your computer from the HDD. Then use a program like VLC to stream and record the contents.
CLICK HERE FOR VLC<<
On VLC, enable Advanced Controls. This option is available in the View sub-menu. Once you activate the controls, a second command toolbar will appear in the main interface.