3utools Failed To Access Folder Error Code 13 New -

Error Code 13 frequently appears on new Windows 10/11 builds because Controlled Folder Access is turned on by default in the latest updates. This feature blocks 3uTools from accessing your documents or cache.

To disable it:

Alternative (Safer): Instead of disabling it entirely, click "Allow an app through Controlled folder access" > Add allowed app > Browse to 3uTools.exe and 3uToolsService.exe. 3utools failed to access folder error code 13 new

If the error occurs while trying to access a folder on the iPhone:

Here’s what users have confirmed fixes Error Code 13: Error Code 13 frequently appears on new Windows

After testing various scenarios, the error typically stems from three main sources:

  • Click Apply and restart 3uTools

    • If you get Error Code 13 mid-flash (e.g., at 20% or 60%), your temp folder is the issue. Alternative (Safer): Instead of disabling it entirely, click

    Note: Flashing iOS creates a temporary IPSW extraction. If your C: drive has less than 15GB free space, Windows will throw a fake "Error Code 13" to prevent crashing. Free up space!