Fix iTunes Cannot Connect ‘Unknown Error 0XE80000A’

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The iTunes 0XE80000A error is one of the most common errors we encounter. This error essentially occurs when your iTunes does not connect to an Apple device for an unknown reason. Usually, users receive an error message in this case. As soon as your iTunes device fails to connect due to an unknown error, a message with the error code “0XE80000A” appears. And that’s not all. The error code is accompanied by the following statement: “iTunes could not connect to this iPhone, an unknown error occurred”. Since iTunes is the official suite for all Apple devices, iTunes is not only available on MacOS, but is also used on other computers running Windows operating systems. It goes without saying that such an unexpected error is extremely annoying for users.

However, if you are confronted with such errors, you no longer have to worry. In this article, we provide fire safety guidelines that will help you solve the problem as soon as possible. So, don’t doubt any more and read our article.

Update iTunes on Windows

The first thing to do is to go and do an update. If the iTunes 0XE80000A error is caused by software or hardware incompatibilities, installing the latest updates for Windows 10, iOS and iTunes will probably fix it.

September 2021 Update:

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  • Step 1 : Download PC Repair & Optimizer Tool (Windows 10, 8, 7, XP, Vista – Microsoft Gold Certified).
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  • Step 3 : Click “Repair All” to fix all issues.


  1. To start updating Windows 10, type Check for updates on the Start menu, then click Open.
  2. In the Windows Update dialog box that appears, click Check for updates, then install all available updates.
  3. For iOS, open the Settings application on your iPhone, tap General, and then tap Software Update.
  4. If updates are available, click on Download and install.
  5. Finally, update iTunes. Simply type Apple Software Update in the Start menu, then press Enter. If updates are available, install them.
  6. While you’re at it, also install updates for related Apple software, such as iCloud.

Resetting the iTunes lock folder

Under Windows, iTunes has a locking folder that stores the security certificates of previously connected iOS devices that use iTunes on your computer. You must delete this folder to reset the revocation folder to delete all security certificates. To do that:

  • Press Windows + R to open the Run field and type %AppData%.
  • Then navigate to the Apple folder and delete the Lockdown folder.
  • Then restart iTunes and reconnect your Apple device.
  • If the error was caused by the issuance of the certificate of validity, we hope you will no longer receive this error.

Disabling the security software on your PC

Some security software can proactively block file transfers to and from a computer. If you are using a third-party antivirus or security software, you must disable it during troubleshooting. Once this operation is complete, restart the connection of your device to your iPhone XR by disconnecting and reconnecting the cable. Then check if the problem persists.

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