3uTools Failed to Access Folder Error Code 13: New Fixes for 2026
This command will reset the permissions on your Temp directory to their default, safe state, which is often the core of the problem.
| Problem Area | Primary Solutions | | :--- | :--- | | | Run as Admin, Temp Folder Permissions, Disable Antivirus | | macOS | App Permissions, Terminal Command | | iOS Device | Re-trust Device, Clear Lockdown Folder, Check Free Space | | Software | Update 3uTools/iOS/iTunes, Clean Reinstall |
Some security suites block 3uTools from writing new files to the system, causing the "access folder" error. Disable your antivirus/firewall for 15 minutes. Retry the flashing process. 6. Manually Download and Import IPSW (Alternative Method) 3utools failed to access folder error code 13 new
Head to the tab located at the top menu bar of 3uTools. Click on the iTunes Utility option.
Temporarily disable Windows Defender or third-party antivirus (e.g., McAfee, Avast) and check if the error persists. Note: Remember to re-enable it immediately after testing. 4. Relocate Backup/Firmware Files
Ensure your user account has or at least "Read & Write" permissions. 3uTools Failed to Access Folder Error Code 13:
, then select the 3uTools.exe file from your main installation folder. 4. Clear Temporary Cache and Repair Drivers
Which specific triggers the code? (e.g., flashing firmware, exporting photos, or backing up the device)
In technical terms, Error Code 13, also known as "EACCES," is a standard system error that translates to "Permission Denied". At its core, this error means that the 3uTools application, which is running on your computer, is trying to access a folder (likely on your iOS device) but does not have the necessary authorization from your operating system to do so. Retry the flashing process
A fresh trust relationship between your iPhone and computer can often resolve access issues.
The software cannot write the backup file to the designated folder.
: Windows Defender or third-party antivirus programs flags the data pipeline as a security threat, locking down the target folder.
Navigate to your backup or firmware folder (e.g., C:\Users\YourName\Documents\3uTools ). Right-click the folder and select > Security .