While Profantasy Campaign Cartographer 3 (CC3) is the gold standard for fantasy map-making, many users hit frustrating roadblocks during the download and installation of the free version (the demo or the older CC3 “Plus” trial).

Have a different error code? Drop it in the comments below.

Stuck trying to get Campaign Cartographer 3 up and running? You’re not alone.

If you have a legitimate license key from an old Humble Bundle, contact Profantasy support—they are famously helpful and will convert old CC3 keys to the modern CC3+ installer.