UserAgent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36

Example URL:
https://www.amazon.com

Steps to reproduce the problem:
If it were reproducable it would probably be a prominent bug right now. This is likely a combination of Chromium / something on my end. Only occurs for me in Chromium, but I assume other users can access Amazon just fine. Google Chrome and IE access the sites fine.

What is the expected behavior?
Site loading correctly.

What went wrong?
Chromium determines the certificate to be invalid. I'm assuming a site as big as Amazon has their business in order, so I'm not sure why Chromium specifically is finding a problem and not allowing their page to load.

Does it occur on multiple sites: Yes

Is it a problem with a plugin? N/A 

Did this work before? Yes 

Does this work in other browsers? Yes

Chrome version: 54.0.2840.99  Channel: n/a
OS Version: 8.1
Flash Version: 

This isn't just Amazon. One other site that's given the same error to me today is www.crtv.com, a video site. I've done two different malware scans as well.
 

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