Access To The Device Is Denied Windows 7 Work: Rufus

The "Access to the device is denied" error on Windows 7 is almost always a permissions conflict. In 90% of cases, combined with Solution 2 (Disabling Antivirus) will resolve the issue. If you are still stuck, downgrading to an older version of Rufus (Solution 4) is a highly effective workaround for legacy hardware.

Microsoft released USB-related patches for Windows 7. Make sure you have: rufus access to the device is denied windows 7