Have you used the 17559 USB update recently? Share your experience in the comments below.
: Extract the .zip file. Copy the folder named $SystemUpdate directly to the root directory of your USB drive (e.g., E:\$SystemUpdate ). Do not place it inside any other folders. Install on Console : Plug the USB drive into your Xbox 360. systemupdate17559usbzip
Someone pulls a 360 from a closet. The dashboard is from 2010. Connecting to Xbox Live fails because security certificates are too old. The solution: update via USB using 17559. Have you used the 17559 USB update recently