Windows 7 update fails

If you receive Windows Update error while checking for updates, you need to remove the temporary files that Windows uses to identify updates for your computer. To remove the temporary files, stop the Windows Update service, delete the temporary update files, restart the Windows Update service, and then try to check for Windows updates again.

This step most work for solve Windows Update error problem.

To stop the Windows Update service

1. Click to open Administrative Tools.
2. Double-click Services.  If you’re prompted for an administrator password or confirmation, type the password or provide confirmation.
3. Click the Name column heading to sort the names in reverse order. Find the Windows Update service, right-click it, and then click Stop.

To delete temporary update files

1. Double-click the local hard disk where Windows is installed (typically, drive C).
2. Double-click the Windows folder, and then double-click the SoftwareDistribution folder.
3. Double-click the DataStore folder to open it, and then delete all files in the folder.  If you’re prompted for an administrator password or confirmation, type the password or provide confirmation.
4. Click the Back button. In the SoftwareDistribution folder, double-click the Download folder to open it, delete all files in the folder, and then close the window.  If you’re prompted for an administrator password or confirmation, type the password or provide confirmation.

To restart the Windows Update service (You must be logged on as an administrator to perform these steps.)

Open Administrative Tools. (In Control Panel)

1. Double-click Services.  If you’re prompted for an administrator password or confirmation, type the password or provide confirmation.
2. Click the Name column heading to sort the names in reverse order. Find the Windows Update service, right-click it, and then click Start.
3. Close the Services window and the Administrative Tools window.

• Deleting temporary update files will help solve the problem, but it will also delete the history in Windows Update. You can still see which updates are installed on your computer by going to Installed Updates.

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