Win8/Win8.1 can not automatically update /update failure solution

        Win8/Win8.1 can't be updated automatically?
Win8/Win8.1 update failure often occurs?
Win8/Win8.1 installation update failed, is there any?
Not only Win7 platform, Win8/Win8.1 users will encounter the above problems in daily use. Win7 users, can refer to Win7 can not automatically update, update failed? , download and install the update fix tool. For Win8/Win8.1 users, Microsoft also provides an official solution that does not require a separate download tool to directly perform local repair tasks.
Microsoft KB947821 technical documentation also describes the reason for Win8/Win8.1 update failure: When Windows Update corruption error, it will hinder the download and update of Windows Update and Win8/Win8.1 app store.
For example, if a system file is corrupted, the Windows Update update may also fail to install or fail to install, and an error code will generally appear.




1. Take Win8 as an example. The user moves the mouse pointer to the lower right corner of the screen, calls the Charm super menu, and selects the search.

2. Type "cmd" in the search box, search for and right click on "Command Prompt" to run as administrator.
//Win8.1 users, right click on the Start button, select the "Admin: Command Prompt" tool
3, in the "Administrator: Command Prompt" window, enter the repair parameters in order: ( Enter to run)
DISM.exe /Online /Cleanup-image /Scanhealth

DISM.exe /Online /Cleanup-image /Restorehealth

4, wait for the repair to complete, close the command At the prompt, re-run Windows Update.
Note: Since the repair involves system file verification and disk reading and writing, it is recommended to operate in the free time of the computer.
Attached: Win8/Win8.1 automatic update part of the error code:

0x80070002
0x8007000D
0x800F081F
0x80073712
0x800736CC
0x800705B9
0x80070246
0x8007370D
0x8007370B
0x8007370A
0x80070057
0x800B0100
0x80092003
0x800B0101
0x8007371B
0x80070490

Note: Windows Update, which is automatically updated by Windows, is An automatic update tool provided by Microsoft for the desktop Windows platform, which usually provides upgrades for vulnerabilities, drivers, and software components.