Quick Summary
Error code 0x800705B4 on Xbox typically indicates a problem with Windows Update or Windows Defender, preventing your console from downloading necessary updates. This can be due to corrupted update files, conflicts with security software, or network connectivity issues.
Common Causes
- Windows Update Service Issues: The Windows Update service, which Xbox relies on for system updates, may be disabled, not running correctly, or experiencing temporary glitches.
- Firewall or Antivirus Interference: Firewall or antivirus software on your network or connected to the Xbox may be blocking the update process, mistaking it for a threat.
- Corrupted Update Files: Previous incomplete or interrupted updates may have left corrupted files on your system, preventing new updates from installing properly.
- Network Connectivity Problems: An unstable or unreliable internet connection can interrupt the update download, leading to errors.
Step-by-Step Fixes
Method 1: Restart Your Xbox
Step 1: Press and hold the Xbox button on your controller.
Step 2: Select 'Restart console'.
Step 3: Select 'Restart'. This will clear temporary files and processes that might be interfering with the update.
Method 2: Power Cycle Your Xbox
Step 1: Turn off your Xbox console.
Step 2: Unplug the power cord from the back of the console and from the wall outlet.
Step 3: Wait for 60 seconds.
Step 4: Plug the power cord back into the console and the wall outlet.
Step 5: Turn on the console. This performs a hard reset and clears persistent cache.
Method 3: Check Your Network Connection
Step 1: Go to Settings on your Xbox console.
Step 2: Select 'General', then 'Network settings'.
Step 3: Choose 'Test network connection'.
Step 4: Follow the on-screen instructions to troubleshoot and resolve any network issues. Consider restarting your router and modem.
Method 4: Run the Xbox Offline System Update
Step 1: On a computer, download the Offline System Update file (OSU1) from the official Xbox website. You will need a USB drive with at least 6 GB of space formatted at NTFS.
Step 2: Extract the downloaded file to the USB drive.
Step 3: Turn off your Xbox console completely.
Step 4: Unplug the power cord from the back of the console.
Step 5: Wait 30 seconds, then plug the power cord back in.
Step 6: Press and hold the Pair button (located on the side of the console) and the Eject button (located on the front of the console), then press the Xbox button on the console. Keep holding the Pair and Eject buttons for about 10-15 seconds until the power-up chime sounds two times in a row.
Step 7: Plug in the USB Drive. Follow the prompts to update your Xbox.