3. Whitelist 3uTools in Windows Defender "Controlled Folder Access"
user wants a long article about "3utools failed to access folder error code 13 new". I need to research this error, covering causes, troubleshooting, and solutions. I'll follow the search plan as provided. search results are in. I have a mix of potential sources. Result 0 might be a blog with solutions. Result 1 is about Android error 13, but might have relevant info. Result 2 is a Korean community post about error code 13 with 3uTools. Result 5 is about Windows temp folder permissions. I should open these to gather more details. search results provide a mix of potential solutions. Result 0 is a blog with some solutions, but it's not very authoritative. Result 2 and Result 1 are from the Inflearn community, offering troubleshooting steps like checking jailbreak status, updating 3uTools, checking cables, running as administrator, and disabling antivirus. Result 5 and Result 2 provide solutions for Temp folder permissions, which might be relevant on Windows. I should also search for more general troubleshooting and maybe for Mac-specific solutions. search results provide a variety of information, but some are not directly about error code 13. I'll synthesize the information from the opened pages and my general knowledge to create a comprehensive article. The article will cover: understanding error code 13 (permission denied), common causes (Windows, Mac, iOS device issues), troubleshooting solutions (folder permissions, reconnecting, updating, troubleshooting iPhone trust, clearing lockdown folder, admin privileges, compatibility, reinstalling, advanced OS-level solutions, and a comparison table), a summary action plan, and a disclaimer. things are more frustrating than being ready to manage your iPhone, only to have your tool of choice stop you with a cryptic error message. If you've just encountered while using the popular iOS management software, you've come to the right place.
A: No. This error is 100% a Windows permission issue. Your iPhone is safe. 3utools failed to access folder error code 13 new
By following these steps, you should be able to resolve the error and resume managing your iOS device. *If you’d like, I can:
Immediate checks (do these in order)
Your security software might be overprotective. Before proceeding, temporarily disable your antivirus and Windows Firewall. Then, try to replicate the error.
After digging into the issue and researching the most reliable solutions, I can tell you that . But don't worry—it's a solvable problem. This guide will walk you through exactly what this error means and how to fix it once and for all. I'll follow the search plan as provided
Controlled Folder Access (Windows Defender) can block 3uTools from modifying certain folders.
in 3uTools is almost always a permissions issue. Result 0 might be a blog with solutions
Antivirus software may falsely identify 3uTools’ file management activity as a threat.
3uTools Failed to Access Folder Error Code 13: New Fixes for 2026