Error 3F4A-0000 occurs when you try to download an update from Xbox Live

1. Restart your console.
2. Press the Xbox Guide button on your controller (the centre X button).
3. Go to Settings and select System Settings.
4. Select Network Settings.
5. Select Wired Network or your wireless network name (if you are prompted to do so).
6. Select Test Xbox Live Connection.
7. Select Yes if you are prompted to update your console software.

If this didn’t fix the problem, try the next solution.

The latest console software update requires at least 190 megabytes (MB) of storage space (or 256 MB if you live in Japan). If you don’t have enough free space, you need to move or delete some items. See Copy, move or delete Xbox saved games, profiles and avatar items.

If this didn’t fix the problem, try the next solution.

Removing the temporary files on your console might solve the problem. To do this, see Clear your Xbox 360 system cache.

After you have cleared the cache, try the update again. If this didn’t fix the problem, try the next solution.

• If you’re using an Xbox 360 Memory Unit or a USB flash drive instead of a hard drive, remove and reinsert the memory unit or USB flash drive.
• If you have a hard drive, try removing and adding the hard drive again.

After you have replaced the storage device, try the update again. If this didn’t fix the problem, try the next solution.

Copy the update from your computer to a USB flash drive or CD or DVD, 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 update .zip file on your computer.
4. Double-click the file to unzip it.
5. Copy the contents of the .zip file to the root directory of your USB flash drive.
6. Unplug the USB flash drive from your computer.
7. Plug the USB flash drive into a USB port on your Xbox 360 console.
8. Restart the console.
9. When the console restarts, the installation program starts automatically. Select Yes when you are prompted to update the 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. Double-click the file to unzip it.
4. Insert a blank, writeable CD or DVD into your computer.
5. 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.
6. 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.
7. Restart the console.
8. When the console restarts, the installation program starts automatically. Select Yes when you are prompted to update the console software.

1. Press the Guide button on your controller.
2. Go to Settings and select System Settings.
3. Select Storage.
4. Scroll down to highlight your memory unit or hard drive.
5. Press the Left bumper, press the Right bumper and then press X.
6. Press the Left bumper, press the Right bumper and then press X.
7. Select Yes.

This will delete any system updates that are saved to memory and then restart the Xbox 360 console. You’ll then be prompted to install any pending updates. Install these pending updates.

If you still experience the problem, contact Xbox Support by clicking the “Contact us” link at the bottom of this page.