Hi Michael,
Thank you for reaching out and sharing the details about the error codes 0xE800000A and 0xE8000003 when connecting your iPhone or iPad to iTunes. I completely understand how frustrating this can be, especially when you’ve already tried several solutions. Let’s work through this step by step to get you back up and running.
Here’s what you can try to resolve the issue:
1 - Update Everything
- Make sure your iTunes, Windows 11, and iOS device are all on the latest version. Outdated software often causes these errors.
2 - Check Your Connection
- Use an original Apple USB cable.
- Try a different USB port (preferably on the back of your PC).
- Unlock your device and tap Trust This Computer when prompted.
3 - Restart Apple Services
- Press Win + R, type services.msc, and hit Enter.
- Find Apple Mobile Device Service, right-click, and select Restart.
4 - Clear the Lockdown Folder
- Press Win + R, type
%ProgramData%, and hit Enter. - Go to Apple > Lockdown and delete all files inside.
- Restart your PC and reconnect your device.
5 - Reset or Reinstall iTunes
- If installed from the Microsoft Store: Settings > Apps > iTunes > Advanced options > Reset.
- If that doesn’t help, uninstall and reinstall iTunes completely.
Extra workarounds that you should also try:
- Temporarily disable antivirus/firewall software.
- Run iTunes as Administrator.
- If possible, try connecting your device to another PC to rule out hardware issues.
To assist others who might have similar questions and to help us improve our support system, we kindly encourage you to "Accept the answer" if it successfully addressed your concern. Accepting an answer lets other users know that this solution worked for you, and it also helps us track the effectiveness of our support efforts.
Warm regards,
Hendrix Vu | Microsoft Q&A Support Specialist