I just downloaded the latest version of NeoHD and NOD32 anti-virus reported the ZIP file contained a trojan. Here's the NOD32 log entry:

7/13/2010 6:10:48 PM
HTTP filter file http://www.cineform.com/downloads/NeoHDv506b265-100712.zip Win32/Packed.Themida.AAA trojan

I tried a second time, and got the same result.

Very likely a false positive, we see this from some the free Anti-virus tools every six months or so. They confuse software protection wrapper with trojans.

Even after turning off NOD32 antivirus, I still get an error:

The source file cannot be read.

This is the 3rd time I tried to download the file, hence the "(3)" in the filename.

I just downloaded the same link with no issues. Passed Virus checks also. Something maybe up with your system.