As for the CFHD.dll i have no idea: its a cineform thing.
I'm also having this error...just after updating my video card drivers.
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I had this same problem and it was solved by uninstalling the Cineform codec from my system.
My post is in this thread:
Numbers 20 -22
Hope this helps fix your problem.
Sorry for the issue. As I understand it, you're getting the warning having to do with CFHD.dll. I have heard that this has to do with GoPro codecs. What you might try is uninstalling and then reinstalling any legacy versions of GoPro Studio or the like. Please try that and return with the results. Hope we can assist you if you need more assistance.