Modern IE: New IE9 Win7 Won’t Start Up in VirtualBox

I download a brand new IE9 Windows 7 virtual machine for VirtualBox from Modern IE, and after I imported it, it wouldn’t start up. Short answer: Download The Unarchiver as recommended by Modern IE and extract the zip using that instead of Mac OS’s built-in archive utility. Then double-click the .ova file, it will import, and