Quick Summary
Error code 80583508 on macOS typically indicates a problem during the software update process. This often happens when the system is unable to properly download, verify, or install the update package.
Common Causes
- Network Connectivity Issues: A poor or unstable internet connection can interrupt the download of update files, leading to errors. Intermittent connectivity might cause incomplete downloads, making the update process fail.
- Corrupted Update Files: If the downloaded update files are corrupted due to network interruptions or other issues, the system will be unable to verify and install them properly. Damaged files within the Software Update cache often result in the update failing.
- Insufficient Disk Space: The macOS update process requires sufficient free disk space to download, extract, and install the necessary files. If the hard drive is nearly full, the update may fail due to lack of space to perform these operations.
- Software Conflicts: Third-party software or system extensions can sometimes interfere with the update process. Conflicts may arise if these components are incompatible with the new macOS version or if they interfere with system processes during the update.
- macOS System Glitches: Underlying system errors unrelated to the specific update, such as file system corruption, can trigger update failures. Occasionally, a previous update that was partially installed may cause a conflict with subsequent install attempts.
Step-by-Step Fixes
Method 1: Restart Your Mac
Step 1: Go to the Apple menu in the top-left corner of your screen.
Step 2: Select 'Restart'.
Step 3: Allow your Mac to fully restart and then attempt the software update again through System Preferences.
Method 2: Check Your Internet Connection
Step 1: Ensure you are connected to a stable and reliable Wi-Fi or Ethernet network.
Step 2: Open a web browser and visit a popular website (e.g., google.com) to verify your internet connection is working.
Step 3: If you are using Wi-Fi, try moving closer to the router or try using an Ethernet cable connected directly to your modem.
Step 4: Restart your modem and router. Unplug both devices from power, wait 30 seconds, plug the modem back in and wait for it to initialize. Once the modem is connected, plug in the router.
Step 5: Try the software update again.
Method 3: Free Up Disk Space
Step 1: Go to the Apple menu and select 'About This Mac'.
Step 2: Click on the 'Storage' tab to see how much free space is available on your hard drive.
Step 3: If disk space is low (less than 10GB), delete unnecessary files and applications.
Step 4: Empty the Trash. Move large files to an external hard drive or cloud storage.
Step 5: Try the software update again.
Method 4: Run Disk Utility
Step 1: Open Disk Utility (Applications/Utilities).
Step 2: Select your startup disk in the left sidebar.
Step 3: Click 'First Aid' and then 'Run' to repair any disk errors.
Step 4: Follow any on-screen instructions and allow the process to complete.
Step 5: Restart your computer after the repair and try the software update again.
Method 5: Download the Combo Updater
Step 1: Go to the Apple Support Downloads website to find a 'Combo Updater' package for your specific macOS version.
Step 2: Download the Combo Updater package directly from Apple's website.
Step 3: Double-click the downloaded .dmg file and run the installer within. Follow the on-screen instructions to install the update.
Step 4: Restart your Mac after the installation is complete.
Method 6: Boot into Safe Mode
Step 1: Shut down your Mac.
Step 2: Press the power button to turn your Mac back on, then immediately press and hold the Shift key until you see the Apple logo and the login window.
Step 3: Log in to your user account (you may need to log in twice).
Step 4: Try running the software update from Safe Mode.
Step 5: Restart your Mac normally after the update completes.