If you get error message "..incorrect hal or hob files..", when starting the system, it could be that you have to delete halcust and hobcust folders from your HansaWorld client installation. You can do it by following those 3 easy steps:
1. Open the folder, where the system is located
If you use shortcut to to run the system and don't know where the folder is, you can find it out by right click on the shortcut. See Pic1 for Mac and Pic2 for Windows.
Finder will open on Mac (Pic3) and Windows Explorer will open on Windows (Pic4), showing you the required folder contents.
2. Delete the required folders
Select and delete folders halcust and halpatch, if you have those.
3. Run the application again
After deleting required folder you should start the application as usually. It will automatically update all necessary data from the server.
The process is simple and most of it will happen automatically in the background, however - if you run into any kind of issues: