How to troubleshoot WINDOWS7 system Update update failure

Some Win7 users are accustomed to using the system's own updates to update the system, this method is more convenient, but it is easy to occur sometimes update failed, and sometimes not. This causes the system to duplicate the installation of the update, and there will be many failure records in the history list. How can we solve this problem?

Windows7 with Update update failed how to solve?

Workaround:

First turn off the "windowsupdate" service in system services to disable Automatic Updates, and then turn on the display of hidden files in Folder Options, and then open "C:windowssoftwaredistributiondatastore". Delete all the contents of the Datastore folder, and then reopen the "windowsupdate" service.

The above is to solve the Win7 update system, sometimes there will be the reason for the failure of the update, have encountered this problem users, may wish to refer to this solution.