Your application may contain custom controls, which generally show up as WinObject. Also, I have discovered that embedded applications can sometimes prove difficult.
You need to provide more information about the application and the object you are attempting to identify. It will also help if you search the forum to find what others have done in the same circumstance.
If you had to identify, in one word, the reason
why the human race has not achieved, and never
will achieve, its full potential that word would be "meetings".