Temporarily turn off your computer's and Windows Defender/Firewall . These programs can misidentify 3uTools’ attempts to access system folders as a security threat. Enter DFU Mode Manually
He clicked 'Start' one last time. The bar turned green, the files began to fly, and Error 13 vanished into the digital void. Another phone saved, and another mystery solved. Are you currently experiencing this error , or are you looking for a technical breakdown of why Windows permissions trigger it?
In the context of 3uTools and the Windows operating system, Error Code 13 is almost exclusively a . 3utools Failed To Access Folder Error Code 13
Always use an MFi-certified or original Apple Lightning/USB-C cable. Summary Checklist Potential Cause Insufficient Privileges Run 3uTools as Administrator Driver Corruption Use "Repair Driver" in 3uTools Toolbox Privacy Settings Reset "Location & Privacy" on iPhone Antivirus Block Add 3uTools to the exclusion list
Sometimes the secure "handshake" between your iPhone and PC expires or glitches. Disconnect your device from the USB cable. The bar turned green, the files began to
. While sometimes linked to general backup failures, Error 13 is predominantly a Windows permission error occurring when 3uTools tries to copy files into its directory (usually in Program Files) or create a backup file, but is blocked by security settings or another process. Top Solutions to Fix 3uTools Failed to Access Folder 1. Run as Administrator (Most Likely Solution)
This is the first line of defense.
When using (a popular iOS device management tool for Windows), you might encounter: