AutoPkg failed: hdiutil: attach failed – no mountable file systems error

If, when running AutoPkg, you get an error like failed: hdiutil: attach failed – no mountable file systems but you’re able to mount the .dmg manually (i.e., it’s not a corrupted download), double-check you don’t have a restrictions profile installed that requires you to authenticate when mounting disk images. That setting is pretty much useless… Continue reading AutoPkg failed: hdiutil: attach failed – no mountable file systems error