Press the Xbox Guide button on your controller (the centre X button).
Go to Settings and select System Settings.
Select Network Settings.
Select Wired Network or your wireless network name (if you are prompted to do so).
Select Test Xbox Live Connection.
Select Yes if you are prompted to update your console software.
If this didn’t fix the problem, try the next solution.
Solution 2: Make sure you have enough storage space
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.
Click Save to save the console update .zip file on your computer.
Double-click the file to unzip it.
Insert a blank, writeable CD or DVD into your computer.
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.
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.
Restart the console.
When the console restarts, the installation program starts automatically. Select Yes when you are prompted to update the console software.
Solution 6: Roll back updates
Press the Guide button on your controller.
Go to Settings and select System Settings.
Select Storage.
Scroll down to highlight your memory unit or hard drive.
Press the Left bumper, press the Right bumper and then press X.
Press the Left bumper, press the Right bumper and then press X.
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.
Would you like to contact Support regarding the "Error 3F4A-0000 occurs when you try to download an update from Xbox Live" issue you were reading about or a different issue?