Unable to complete update KB4462919 ongoing rollback operation

For the win10 operating system we are using, if you encounter KB4462919 that cannot complete the update and is undoing the changes when updating and installing the system patch, you can check whether the system service is turned on normally. Please see below for details~

KB4462919 Unable to complete update Undoing changes

Method 1:

Press Windows R and enter services.msc , open the service and check whether the following services are opened normally:

Windows Update, Cryptographic Services, Background Intelligent Transfer Service, Windows Installer

It is recommended that you pay attention to the following points before updating:

1. It is recommended that you check the relevant device drivers under the system and update the drivers (graphics card, chipset, etc.).

2. It is recommended that you temporarily uninstall all third-party security programs and optimization software that may exist in the system.

#3. Confirm that the system disk has enough storage space, at least 30G (if it is a minor version upgrade, reserve 8G).

4. Remove all external devices except the mouse, keyboard and monitor.

Method 2:

If you have problems using Windows Update, you can try the following steps:

1. "Windows X">>Computer Management>> ;Services and Applications>>Services,

Find the Windows Update and Background Intelligent Transfer Service services and close them.

2. Delete all files under the paths C:\Windows\SoftwareDistribution\DataStore and C:\Windows\SoftwareDistribution\Download.

3. Restart Windows update and Background Intelligent Transfer Service services.

4. Try the upgrade again.

Method 3:

1. Press Windows R, enter winver, and check your system version number, if it is OS Build 17134.345.

2. This indicates that the update patch has indeed been installed successfully.

3. It is still detected that this update needs to be installed. Type the following command at the command prompt (administrator): sfc /SCANNOW to see if there is a problem with the system components.

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