I now have all my Captain Sim addons running in FSX:SE (FSX is not installed), and all of those I have tried, work fine in it. I still have to test Weapon for FSX, which was not working in FSX:SE when both FSX, and FSX:SE, were installed in Windows. It always looked to, and worked with FSX, but ignored FSX:SE. Due to the difference of where the FSX:SE folder is located under C:\Users\<yourusername>\AppData\Roaming\Microsoft. When alone, it is FSX, but with both installed, it is FSX-SE, so I think that affects how the Captain Sim products install in FSX:SE.