Win8.1 upgrade Win10 official version failed to prompt 80240020 error how to do?

Win10 has started the official version of the push, what should I do if there are various errors during the update process? The following small series teaches you how to deal with the Win10 upgrade prompt 80240020 error, students who encounter this problem can try. The small series system is win8.1 version, the following method is established after you have received the win10 booking notice and the booking is successful.

1, enter your system disk, usually C drive, find the windows folder, as shown below

2, find window/SoftwareDistribution in the windows directory /Download/folder, as shown below, delete all the download folder files, this is to automatically download the unfinished files

3, press win+x at the same time, jump out of the command menu, as follows As shown in the figure, click Run Command Prompt (Administrator)

4. Enter wuauclt.exe /updatenow at the pop-up command prompt page, as shown below

5. Right-click on Computer-Properties-Control Panel and select System Update, as shown below.

6, click to check for updates, as shown below

7, win10 starts checking your system, as shown below, waiting. . .

8, start downloading, may last for several hours, now you can update as prompted, as shown below

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