I have updated BIOS, chipset, and video card drivers as recommended by HP for this machine. If I unplug the H.264 Pro Recorder, I can run and close Media Express with no device detected, and I don't get a crash. I read the old thread about a memory leak in past versions of the software, but that doesn't appear to be my issue, since it seems unrelated to length of video captured or how long the program has been running (it's crashed after less than 30 seconds and blue screens every time I close the program with the Pro Recorder attached, even if it's only been up for a short time). It has also blue-screened a few times in the middle of using Media Express, but in those cases, I'm not yet certain if there's any pattern to my actions linked to the crash. The problem is that every time I close Media Express, I get a blue screen of death with PFN_LIST_CORRUPT.

The H.264 Pro Recorder shows up under 'devices' in Media Express, and I can get video preview and even capture clips. The Video Recorder and Tag Live tools can encode video while recording. I'm running Windows 7 Enterprise (64 bit) on an HP Elitebook 8540w, and trying to capture video using the H.264 Pro Recorder and Blackmagic Media Express.

Black magic desktop video dartfish