UserAgent: Mozilla/5.0 (X11; CrOS x86_64 11151.59.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.94 Safari/537.36
Platform: 11151.59.0 (Official Build) stable-channel kip

Steps to reproduce the problem:
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What is the expected behavior?

What went wrong?
Arc welder not load apk and return to home

WebStore page: https://chrome.google.com/webstore/detail/arc-welder/emfinbmielocnlhgmfkkmkngdoccbadn

Did this work before? Yes yes

Chrome version: 71.0.3578.94  Channel: n/a
OS Version: 11151.59.0
Flash Version: 32.0.0.101 

plz help me