Rufus Error Access to the Device Is Denied? Top Solutions for You

Rufus error "Access to device denied"? Solution to Rufus USB access denial problem on Windows 11/10/8/7

Rufus is an excellent tool for creating bootable USB drives that can easily burn ISO files to USB drives. Simply connect the USB drive, select the downloaded Windows ISO file, make some configuration, and then click "Start".

However, sometimes the burning process fails with a frustrating error message: "Error: Device access denied". This error may occur on any version of Rufus. Check Rufus' log file and you will see the message "Write error [0x00000005] Access denied".

This problem may be caused by: Windows Defender's controlled folder access feature is enabled, insufficient permissions, damaged USB drive, and USB port issues. Next, we will cover several ways to resolve this Rufus error.

Related Reading: Rufus does not recognize USB? Complete Guide

Solution to resolve Rufus' denial of access to the device

Disable controlled folder access

The main reason for "Rufus Error: Device Denied Access" is that controlled folder access is enabled in Windows Defender. This feature is designed to protect your files and folders from deletion or modification by malware.

However, when Rufus tries to write to a USB drive, it prevents Rufus from accessing the drive. To resolve this issue (for Windows 11/10), disable the controlled folder access feature:

Step 1: Enter "Windows Security Center" in the search box, and then click to open the app.

Step 2: Click "Virus and Threat Protection" and select "Manage Settings" in the "Virus and Threat Protection Settings" section.

Step 3: Scroll down to find "Control Folder Access" and click "Manage Controlled Folder Access" and switch to "Close".

Then, try creating a bootable USB drive using Rufus to see if the "Disclaimer for Access" error still appears. After creating a bootable USB drive, it is best to re-enable controlled folder access to ensure your computer is safe.

Disable antivirus software or add it to the exclusion list

As mentioned above, third-party antivirus software may also cause Rufus to experience a "Disclaimer for access to devices" error. Antivirus software may view Rufus as a potentially dangerous application, thus preventing it from accessing USB drives.

In this case, you can temporarily disable the antivirus program on Windows 11/10/8/7. Go to the taskbar, right-click the software, and click Disable option. Alternatively, you can add Rufus to the antivirus software's exclusion list. Different software operation methods are different, you can search online for detailed steps.

Format USB drive

Before using Rufus to create a bootable USB drive from an ISO file, you can format the USB drive to avoid the "Rufus Write Error [0x00000005] Access Denied" error. Open Windows Explorer, right-click the device, and select Format. Then, run Rufus as administrator, create a bootable drive and see if the "Rufus USB access denial" issue was resolved.

Check the USB port

Sometimes a USB port failure can also cause Rufus to experience a "Disclaimer for Access" error. Try connecting a USB drive to your computer using another USB port, or try creating a bootable USB drive on another computer. If this method works, the problem is related to the USB port. Please repair or replace the USB port.

Conclusion

The above is a common method to solve the problem of "Access to Device Denied" in Windows 11/10/8/7 system. Please try these methods one by one and you should be able to solve this problem easily. Then, run Rufus with administrator privileges to create a bootable USB drive. Use this drive, boot your computer from it, and perform a fresh installation of Windows on your computer.

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