Win10 installation: upgrade 9879 error code how to do

computer shop news: a few days ago, Microsoft Win10 preview version upgraded from Build 9860 to Build 9879, many users who have installed Windows10 preview version can not wait for the first time Upgrade, but when some users try to upgrade, there is an error, unable to find the problem of the update.

There is a similar discussion topic in the Microsoft community, and Microsoft's official answerers have given the corresponding action to solve this problem. Previously, it provided a solution for users not detecting updates. At the same time, it introduced Microsoft's upgrade push mechanism. However, many users still have error codes and cannot perform upgrade operations even after following the method. Users are not a minority.

First of all, it is recommended that users restore the registry keys that have been changed, then restart the computer, and then try to upgrade again when the network is stable. This method is invalid. You can refer to the following methods.

▲ Method 1: Rename the SoftwareDistribution folder

· Disable the Windows Update service in the service

· Open the C:\\Windows folder and right click on SoftwareDistribution The folder is renamed.

· Re-enable the Windows Update service after the rename is complete.

▲ Method 2: Repair Windows Components

Press Win+X at the same time, select Command Prompt (Administrator), and enter the following command (also right Copy and paste):

Dism /Online /Cleanup-Image /CheckHealth

Dism /Online /Cleanup-Image /RestoreHealth

Also, regarding the space requirements for upgrading Build 9879, According to Microsoft's official statement, on some specific configurations, the driver installation may take up more than 20GB of space, so it is recommended that users ensure that the C drive has at least 20GB of free space before upgrading.