I have a list Uri\'s that I want \"clicked\" To achieve this I\"m trying to create a new web-browser control per Uri. I create a new thread per Uri. The problem I\'m having
From my experience in the past the webbrowser does not like operating outside of the main application thread.
Try using httpwebrequests instead, you can set them as asynchronous and create a handler for the response to know when it is succesfull:
how-to-use-httpwebrequest-net-asynchronously