3utools Failed To Access Folder Error Code 13 New

The 3uTools "Failed to access folder" error (Code 13) 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

  1. Go to Settings > Apps > Installed apps.
  2. Search for "Visual C++".
  3. Repair each version (or uninstall and reinstall the latest all-in-one package from Microsoft).
  • Pause real-time protection and test (re-enable afterward). Also check quarantine logs for blocked actions.
  • Check drive accessibility:

    To disable it:

    For years, 3uTools has been the go-to third-party iOS management software for Windows users, offering free features that even Apple’s own iTunes struggles with. However, in late 2024 and into 2025/2026, users have reported a sudden spike in Error Code 13, specifically when attempting to flash firmware, backup data, or install apps. 3utools failed to access folder error code 13 new