I was coding a windows 10 uwp app. All of a sudden all my files starting getting green squiggly lines under them. I've tried cleaning, rebuilding, exiting visual studio, restarting computer, and even creating a new blank windows 10 uwp app using Template 10. None of this has solved my problems. I can't remember exactly what I did to cause this problem in the first place. I remember selecting one of the "Show potential fix". In the first image all the using are marked in green. And in the second image the project compiles fine but it is giving red marks all over.
How do I get rid of the green squiggly lines?
Update: added another image with red lines.