Windows 10 claims this:
It occurs while copying the install directory with:
~/graphviz-windows$ cp -rp /c/Program\ Files\ \(x86\)/Graphviz\ 2.44.1 32/exe cp: cannot open '/c/Program Files (x86)/Graphviz 2.44.1/bin/gvgen.exe' for reading: Permission denied
It’s 100% repeatable. I got no warning while installing it.
Perhaps someone of our more proficient Windows users can tell if this is for real or not?
A quick scan with Windows defender also revealed: