Win7 cannot update automatically, update failed?

What about Win7 Automatic update failure?

WIN7 Automatic Update error How to solve?

Win7 checking for update failure is one of the things that Win7 users often encounter. In addition to the traditional network environment impact, the Windows Update system with Windows updated components also fails, causing users to check for updates failed, Microsoft also for Win7 users issued a System Update Preparation tool.

Microsoft KB947821 Technical documentation shows that Windows Update and service packs (such as Win7 SP1) are blocked from installing when Windows Update is corrupted incorrectly. For example, if a system file is corrupted, the Windows update update may fail or install, and an error code typically appears.

If Win7 users often encounter the following error codes, you will need to use the WIN7 System Update Readiness Tool to repair the Windows Update components and related system files.

Win7 automatically updates common error codes:

0x80070002	0x8007000d	0x800f081f	0x80073712
0x800736cc	0x800705b9	0x80070246	0x8007370d
0x8007370b	0x8007370a	0x80070057	0x800b0100
& nbsp;0x80092003	0x800b0101	0x8007371b	0x80070490

Note: Windows Update, Windows Auto Update, is an automatic Update tool that Microsoft provides for desktop Windows platforms, typically providing vulnerabilities, drivers, and software component upgrades. For example Microsoft Tuesday patch Day.