During dialog install (error on screen) or silent install (error in C:\BoyumInstallLog.txt) I get the following error: "Unable to find AddOninstallerDll"
This error is realted to not having the path of the SAP B1 Install in the windows path.
The issue is explained in the following video that show you how to fix it: http://youtu.be/k49AYpWX04U