If you use suites like Avast, Kaspersky, McAfee, or Malwarebytes, their active scanning shields can forcefully lock folders when 3uTools attempts to write decrypted iOS packages.
Right-click it, select , and check the box to delete driver software. 3utools failed to access folder error code 13 new
The error occurs when the 3uTools software lacks the required administrative permissions, encounters a corrupted firmware path, or faces data blockage from Windows Defender and third-party antivirus suites. This error disrupts vital operations like iOS flashing, data backups, and custom IPSW restorations . Resolving it requires adjusting your computer's directory permissions, updating 3uTools data pathways, and establishing stable device connections. If you use suites like Avast, Kaspersky, McAfee,
If you’re seeing in 3uTools when trying to access a folder — usually during backup, flash, or file management — it means the application does not have permission to read or write to that specific directory. This error disrupts vital operations like iOS flashing,
The typically indicates a hardware issue or a critical communication failure between your computer and the iOS device . This error often appears during flashing or restoration processes when the software cannot reach a specific directory or partition on the device. Common Causes of Error Code 13
Run the command: chkdsk C: /f /r (replace C: with the drive where your folders are located). 10. Create a New Windows User Account A corrupted user profile can block permissions. Create a new administrator account in Windows. Log in and attempt to use 3UTools. Conclusion
If the default installation folder remains locked, redirecting the download pipeline to a fresh folder on your desktop usually bypasses the issue.