
If you are on a secure site and attempt to download a file that is being served from a separate, non-secure source, this is mixed content. Sites that do not use HTTPS will cause Chrome to report a non-secure warning. This means that the site you are visiting is being served over a secured layer. If you’re on this site, you’ll for sure see that icon.

But what does that even mean? Well, if you look at the left-hand side of your URL bar, you will likely see a small lock icon. Starting with Chrome 83, Google’s browser began blocking downloads of what is referred to as “mixed content.” What is mixed content? Mixed content downloads are files that are non-secure downloads from a secure source.

The warning goes a little something like this: “File may be dangerous so Chrome blocked it.” Before you go deleting Chrome or tossing your laptop out the window, let’s take a quick look at what’s actually happening here and don’t worry. Millions of users around the world just updated to the latest version of the Chrome browser and/or operating system and for many, a somewhat disturbing notification may be popping up when an executable file download is initiated.
