3utools Failed To Access Folder Error Code 13 New _hot_

Windows frequently prevents third-party tools from accessing specific root directories like C:\Program Files or user profile AppData folders. Running the application as an administrator bypasses these systemic roadblocks. Fully close .

Giving the application full administrative permission allows it to bypass basic Windows file system restrictions. Close the 3uTools application completely.

Expand the or lib usb-win32 devices node.

Right-click the and choose Properties . Navigate directly to the Compatibility tab. 3utools failed to access folder error code 13 new

Sometimes, third-party antivirus software (like Windows Defender, Avast, or Norton) blocks 3uTools from accessing specific folders, mistaking its actions for a security threat.

: If you are trying to restore a backup, ensure the folder name has not been modified. It must exactly match the device's UniqueDeviceID (UDID) in lowercase.

🔁 After success, you can re-enable it and add 3uTools.exe as an allowed app. Right-click the and choose Properties

Renamed backup files or fragmented, incomplete transfer histories cause immediate execution loops.

Under the tab, ensure your current user account has Full Control or at least Read & Write permissions.

Have a fix that worked for you that isn't listed? Leave a comment below—the community is still battling the "NEW" 3uTools bugs daily. causing file access to be blocked.

Here are the most effective solutions, ordered from simplest to most advanced, to resolve this issue in 2026. 1. Run 3UTools as Administrator (Most Common Fix)

: Go to the Toolbox tab in 3uTools and use the iTunes Utility to reinstall or fix Apple mobile device drivers.

Navigate to your backup or firmware folder (e.g., C:\Users\YourName\Documents\3uTools ). Right-click the folder and select > Security .

Security software can misidentify 3UTools actions as malicious, causing file access to be blocked.