Error C000-003F occurs when you use Xbox 360

You see the following error when you’re using Xbox 360:

xxxx-xxxx-xxxx-xxxx-C000-003F

Note The x digits vary.

This means that an update failed.

To resolve this problem, try the following solutions:

Solution 1: Restart your console

Restart your console with the disc that prompted you for an update.

If you keep getting the error, try the next solution.

Solution 2: Save the update to a USB flash drive, CD, or DVD

Save the update to a USB flash drive or a disc, and then install the update on your console. Here’s how.

• Copy to a USB flash drive

Note The USB flash drive must use the FAT32 file system.

1. Plug your USB flash drive into a USB port on your computer.
2. Download the update file.
3. Click Save to save the console update .zip file on your computer.
4. Copy the contents of the .zip file to the root directory of your USB flash drive.
5. Unplug the USB flash drive from your computer.
6. Plug the USB flash drive into a USB port on your Xbox 360 console.
7. Restart the console.
8. When the console restarts, the installation program starts automatically. Select Yes when you are prompted to update the new console software.
• Burn to CD or DVD

You can also download the update on your computer, burn the update to a CD or DVD, and then install the update on your console. Here's how:

1. On your computer, download the update file.
2. Click Save to save the console update .zip file on your computer.
3. Insert a blank, writeable CD or DVD into your computer.
4. Copy the contents of the .zip file to the root directory on your CD or DVD, and choose to write (burn) the files to the disc.
5. Once the files have been burned to disc, remove that disc from your computer and insert it into the disc drive on your Xbox 360 console.
6. Restart the console.
7. When the console restarts, the installation program starts automatically. Select Yes when you are prompted to update the new console software.

If you keep experiencing the problem, contact Xbox Support.

Repair or warranty questions? See Xbox 360 warranty, registration, and repair: Frequently asked questions .