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Windows 10 upgrade fails with error 0x80240020





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Windows 10 upgrade failure.

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


Run the Windows Update troubleshooter.

Working with Dell technical support, it was determined that running the Windows update troubleshooter in Windows 7/8.1 will resolve the issue and allow the Windows 10 upgrade to proceed successfully. (See Figure 1.)


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


Other Windows 10 Upgrade troubleshooting

Windows 10 Update Error C1900101-40017

Dell Windows 10 Portal

How to upgrade to Windows 10 using the Microsoft Windows 10 Media Creation Tool

Article ID: SLN298478

Last Date Modified: 08/01/2017 09:10 AM


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