У вашего броузера проблема в совместимости с HTML5
Run Notepad as Administrator in Windows 10. Shows how to find and run Notepad as administrator one time or change the default to set up a short cut to permanently set it to run as administrator. Also shows how to change File Explorer's defaults to show file extensions, show hidden files, and unhide system files. This video supports instruction at the School of Information including the Digital Information Management Graduate Certificate Program. Visit http://si.arizona.edu