UserAgent: Mozilla/5.0 (X11; CrOS x86_64 10230.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3299.0 Safari/537.36
Platform: 10230.0.0 (Official Build) dev-channel edgar

Steps to reproduce the problem:
1. I do the update
2. I try using one of my apps
3. It doesn't work

What is the expected behavior?
The apps have to work

What went wrong?
The apps blackout and show the window behind it. 

Did this work before? Yes I don't know

Chrome version: 65.0.3299.0  Channel: dev
OS Version: 10230.0.0
Flash Version: 28.0.0.133 

Please help quickly. It has been going on for 10+ days