This zip contains files required to run programs depending on the Poppler PDF library. Note: if you have a different vala version or location, use the corresponding folder, not c:\vala-0.7.1. copy the dlls to c:\vala-0.7.1\bin, or in the same folder as the application. To COMPILE, you need to extract poppler-dev-0.6.4.zip in c:\vala-0.7.1