Failed Update Error Code 80070bc9

Windows Update is set to automatically update and it constantly fails to update one important update - Update for Windows 7 for x64-based Systems (KB976098) (details below)

It comes back with Error code 80070bc9

Download size: 482 KB

You may need to restart your computer for this update to take effect.

Update type: Important

Install this update to resolve issues caused by revised daylight saving time and time zone laws in several countries. This update enables your computer to automatically adjust the computer clock on the correct date in 2009. After you install this item, you may have to restart your computer.

More information:

Help and Support:


I suggest that you follow the below steps:
1. Disable any Firewall, Antivirus.
2. Manually install the security update from the Microsoft Download Center, and then click Ignore when the error message is displayed.
Download standalone packages of these updates and install. 
Download the Update for Windows 7 for x64-based Systems (KB976098) package now.
3.Re-enable Firewall, Antivirus once the update is installed.

You may also try reseting Windows Update Components.
To do this:
1. Click on the following link:
2.  Click Run in the File Download dialog box, and then follow the steps in the Fix it wizard. 
Thanks and Regards:
Swati K- Microsoft Support Engineer

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Question Info

Last updated August 7, 2020 Views 144,223 Applies to: