3utools Failed To Access Folder Error Code 13 New May 2026
The "failed to access folder error code 13" in 3uTools is typically a permissions or path restriction issue where the software cannot read or write to its own installation or temporary directories. 1. Run as Administrator
- Windows UAC (User Account Control): Windows protects certain directories (like the root C: drive or Program Files). If 3uTools tries to write a temporary file there without elevated privileges, Error 13 triggers.
- Read-Only Attributes: Sometimes, the target folder where 3uTools is trying to save data (like a backup) is marked as "Read-only" by Windows, or the user lacks "Write" permissions for that specific directory.
- iTunes Driver Conflicts: 3uTools relies on Apple Mobile Device Support drivers. If these drivers are outdated or corrupted, the communication chain breaks, resulting in a generic "Access Denied" code.
Ensure your user account has "Full Control" or at least "Read & Write" permissions. 3utools failed to access folder error code 13 new
Run 3uTools as Administrator
Right-click the 3uTools shortcut → Run as administrator. This is the #1 fix. The "failed to access folder error code 13"
2️⃣ Disable Controlled Folder Access (if enabled)
- Open Windows Security → Virus & threat protection
- Click Manage ransomware protection
- Turn Controlled Folder Access OFF (temporarily)
- Retry 3uTools
The fix: