We have fixed a lot of issue related to CodeView getting blank, can you please try the latest update Dw 17.5 and update this thread with your observations?
An error occurred while saving the commentCatherine commented
I just downloaded it days ago, and it's horrible!!! My code keeps disappearing and I can't view anything in the view panel. Also can't set up a local testing server. I hate it! What a waste of money!