Triangle... love that movie.
Sorry to hear you've been having so much trouble. For a year! Wow. Your TV's HDMI inputs no longer work? How did that happen? Sounds like you and technology don't get along well.
I would start by uninstalling and reinstalling the card's drivers and trying VirtualDub 1.9 (not VDubMod which is very old). Then if that doesn't work try a program to actually remove the drivers (not sure what people recommend) and reinstall again. If that doesn't work, try it in a different PCIe slot. And if that still doesn't work, I'm not sure what to suggest.