The latest file version is
1.41 which you can download from
Current release in the Downloads section. This file requires
Army Builder 3.2 or higher, version 3.1 is no longer supported.
New in this release is the inclusion of Imperial Armour 11 material - new Eldar units and Corsairs army list.
Please do not post any bug reports unless you are running the latest file and any applicable hotfixes. Also, the in program Warhammer 40K 5E FAQ (reached by Menubar under Help) is being regularly maintained...