UserAgent: Mozilla/5.0 (X11; CrOS x86_64 8872.73.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.103 Safari/537.36

Steps to reproduce the problem:
locked up chrome guest is working 
2. 
3. 

What is the expected behavior?

What went wrong?
browsing msn malware corruption,locked up  url yetud.             pay to unlock second time this happened

Crashed report ID: no

How much crashed? Whole browser

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Chrome version: 55.0.2883.103  Channel: stable
OS Version: 8872.73.0
Flash Version: Shockwave Flash 24.0 r0

powerwash cleared problem before,now cannot access powerwash in settings,where did it go