Open and look at the top menu bar to click on Settings (gear icon).
The folder path contains special characters or is too long.
If the error persists, the problem might be on the iOS device side or related to more complex system conflicts.
Select under the Virus & threat protection settings banner. Toggle Real-time protection to Off temporarily. 3utools failed to access folder error code 13 new
If the immediate fixes didn't work, try these in-depth solutions. 4. Adjust Antivirus and Firewall Settings
Select to clean up and force-reinstall your core iOS-to-PC connection files.
Select and wait for the system to download and refresh the internal connection stack. Restart your computer immediately after completion. Alternative Solutions Tracker Open and look at the top menu bar
Error Code 13 frequently appears on new Windows 10/11 builds because is turned on by default in the latest updates. This feature blocks 3uTools from accessing your documents or cache.
If the default folder 3uTools is trying to access is corrupted or restricted, changing the download path can bypass the error.
This is the most reliable fix for Error Code 13. You will force Windows to give 3uTools unrestricted access to its own folder. Select under the Virus & threat protection settings banner
Among the most frustrating roadblocks for users is , often accompanied by the message: "Failed to access folder. Please check the folder permission."
: The download or backup directory mapped inside the application points to a missing, read-only, or corrupted drive partition. Comprehensive Step-by-Step Fixes
When trying to backup, restore, or manage files with 3uTools, users suddenly encounter – usually labeled as “new” to distinguish it from older permission errors. The message indicates that 3uTools cannot read or write to a specific folder (e.g., the default backup directory, downloads folder, or temp folder).
When troubleshooting a "failed to access folder" error in 3uTools (often appearing as Error Code 13), users frequently find the issue stems from restricted permissions, driver conflicts, or software bugs rather than hardware failure. The following steps are commonly used to resolve this: