Same problem here.
Pic
WordPress version 4.1.4 and 4.2.1.
Chrome – Version 42.0.2311.90 m
Firefox and IE uneffected.
I open the website on any page and then I refresh that page the problem occurs (most of the time).
I read that gibberish like this can happen when you try to ecode UTF-8 text that is already UTF-8 encoded.
Even when saving the page to desktop the website comes out wrong.
After chopping out some text and code the problem stopped happening when I took out this line.
<script type="text/javascript" src="./MyFolder/admin-bar.min.js"></script>
I’m not sure what is causing this problem exactly or how to fix it. I’m still working on it.
Maybe this information helps someone.