by Boikat » Sat Aug 30, 2008 10:32 pm
Doing a Google, the only "LAGO Ultralight package" appears to be 1) for FS2002/2004, and B) payware.
1) It's possible that due to being FS2002/2004, they simply cannot work in FSX, no matter what version of Windows you are using. I could be wrong about that, since Vista uses DX10 and previous versions use DX9, so that could be the problem. I'm not sure if there is a "fix" or not.
2) If your package was pay-ware, did you ask the distributer?

"I reject your reality, and substitute my own" Adam Savage, Mythbusters