To read ebook content, for example, you should deselect this setting (as shown below) to be able to read the ebook content inside the browser's frame (see screenshot below). Then try to reload or refresh the content in the browser window or tab. Select or deselect the check box labelled 'Open PDF files in the default PDF viewer application'.Scroll down to the bottom to 'PDF Documents'.A pop-up labeled 'Content Settings.' will open.Type or paste chrome://settings/content into address bar.If you encounter an error, 'failed to load PDF document', when you click on a “standard access” PDF link in Chrome, then you can fix the problem by disabling the built-in PDF plugin as follows: Chrome users may find PDF content loads inside a frame without downloading.