docs.google.com Suspicious Connection Blocked

My notifications are filled repeatedly with this critical notification:

chrome.exe attempted to establish a connection relying on an untrusted certificate to docs.google.com. We blocked the connection to keep your data safe since untrusted certificates are issued by unrecognized Certificate Authorities.

I don't really use Google Docs much and I have no idea why Chrome is repeatedly trying to access it in the background. But, I'm raising the question before I add this to exceptions in case anyone is aware of a reason that this might be a valid malware activity?

Thanks!

Answers