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Windows 10 Upgrade Fails with Error Code 0x80240020

Summary: This article describes a Windows 10 upgrade failure presenting error code 0x80240020.

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Article Content


Symptoms

A few Dell computer users have reported that their 7/8.1 systems encountered an upgrade failure with an error of: 0x80240020.

Cause

Working with Dell technical support, it was determined that an unspecified issue with Windows was the cause.

Resolution

Running the Windows update troubleshooter in Windows 7 or 8.1 resolves the issue, and allows the Windows 10 upgrade to proceed successfully (See Figure 1).

SLN298478_en_US__1troubleshooter
(Figure 1. Opening the Windows update troubleshooter from Control Panel, All Control Panel Items, Troubleshooting, All Categories)

Article Properties


Affected Product

Operating Systems

Last Published Date

13 Jun 2023

Version

6

Article Type

Solution