If you're trying to save a web page as an HTML file in Chrome and the download hangs after a few kilobytes, we're pretty certain it's because of a bug in Chrome. It may be related to a recent update in the way Chrome processes downloads. After testing, we determined that the same issue occurs with AdBlock, Adblock Plus (ABP), and Ghostery.
We reported the possible bug to Google for investigation. There's no telling when, or if, it will be fixed. The only way you'll know is if it suddenly starts working again one day. :)
In the meantime, pausing your ad blocker of choice should enable you to save web pages as an HTML file. Or, use Internet Explorer, Edge, Opera, or Firefox.
As always, we'll update this article if anything changes.