Project wont build no error

I have a project that has always build fine but for some strange reason all of a sudden it just hangs, no error.
I thought maybe it just takes a long time but after 8 hours it still hangs. I don’t get an error and everything in the project compiles.

Launching the game also doenst work, it hangs without an error aswell

link text

I hope someone can help

Well after a lot of trying removing all the widgets did the trick, now I’m re-adding them one by one to see wich one has the problem.

But its still strange that it will not give an error, will try and see why and update the aswer if I have an solution