Here’s a helpful, practical piece of content about the 3uTools "Failed to access folder" error code 13 — written to be clear, actionable, and easy to follow.
Error 13 is essentially the OS telling 3uTools: “You don’t have the right to access that folder.” 3utools failed to access folder error code 13 new
Clear 3uTools cache
Delete contents of C:\Users\[YourName]\AppData\Local\3uTools (back up first). Here’s a helpful, practical piece of content about
Grant full control manually
Navigate to the target folder → Right-click → Properties → Security → Edit → give Everyone or your user account Full Control. Here’s a helpful