in reply to Re^7: Compilation failed in require at C:/mychoo/cg
in thread Compilation failed in require at C:/mychoo/cg

If I recall correctly, Image::Magick requires external software to be installed, but I could be wrong.

Did you do what the error message said, and read through your C:\Users\USER\.cpanm\work\1561238400.18228\build.log error log like you were advised to do?

Forcing an install as your first response is not the way to go.