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Fix: Unable to 'Add Account' in Windows 10 Mail and Calendar app (Error code 0x80070490)
Are you keeping encountering “Error code: 0x80070490” while using Windows Update or the Mail app in Windows 10/11? It’s an error that you can fix quite easily (though you may encounter cases that require advanced troubleshooting).
Follow the instructions below to fix 'Error code: 0x80070490' in Windows Update or the Mail app. If the error occurs in both, apply the solutions in the order they appear.
"Error code: 0x80070490" in Windows Update is often the result of conflicts with anti-malware programs, a broken Windows Update cache, or corruption in the operating system. The following solutions should resolve the Windows Update error.
