Share 'Weaverbird isn't installing for me'

This is the pop up I keep getting. I do have gasshopper installed so I'm not sure where the error is. Even when I keep installing all that pops up after the installation are weaverbird examples... nothing like a Grasshopper Assembly file that I can drag into my Grasshopper Library. Any idea why I am having this issue? It's frustrating because everything I want to do requires this installat…