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This article mainly explains "Win8.1 upgrade Win10 failure tips 80240020 how to solve", interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Next let the editor to take you to learn "Win8.1 upgrade Win10 failure tips 80240020 how to solve it"!

The main solution is as follows:

1. Delete all files under "C:\ Windows\ SoftwareDistribution\ Download"

two。 Run the command prompt as an administrator, enter "wuauclt.exe / updatenow" and enter (pay attention to spaces)

3. Open Control Panel > Windows update, and you should see the patch downloading.

Also refer to: Win10 official version released today: Win7/Win8.1 upgrade Win10 failure 80240020 temporary solution

If the above methods cannot be solved, it is recommended to download the Win10 ISO image for upgrade and installation.

Problem: solution to upgrade Win10 system failure prompt C1900101-30018

Solution:

1. Run the "Command prompt" as an administrator, enter CMD in the start menu or the start screen search box, then right-click in the results, and select "run as administrator".

2. Close the four update services of BITS, Cryptographic, MSI Installer and Windows with the following commands (press enter after each line of command is entered):

Net stop wuauserv

Net stop cryptSvc

Net stop bits

Net stop msiserver

3. Rename the SoftwareDistribution and Catroot2 folders with the following command (same as above):

Ren C:\ Windows\ SoftwareDistribution SoftwareDistribution.old

Ren C:\ Windows\ System32\ catroot2 Catroot2.old

4. Restart BITS, Cryptographic, MSI Installer and Windows to update the four services with the following command (ditto):

Net start wuauserv

Net start cryptSvc

Net start bits

Net start msiserver

Execute the exit command to close the command prompt, and then restart the computer. Try to upgrade Windows10 again at this point, and the error should be resolved.

At this point, I believe that everyone on the "Win8.1 upgrade Win10 failure tips 80240020 how to solve" have a deeper understanding, might as well to the actual operation of it! Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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