Article Number: 000128636
A few Dell computer users have reported that their 7/8.1 systems encountered an upgrade failure with an error of: 0x80240020.
Working with Dell technical support, it was determined that an unspecified issue with Windows was the cause.
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).
(Figure 1. Opening the Windows update troubleshooter from Control Panel, All Control Panel Items, Troubleshooting, All Categories)
Operating Systems
24 Jun 2024
7
Solution