If you try to install Windows updates, your computer may display the Windows Update 80070bc9 error. The above error is often caused by a corrupted Microsoft.net framework.
Cause of 80070BC9 Windows Update Error Code:
- Conflict of application
- The Temp store location contains an active threat
To solve this Windows update issue, follow the steps below.
Disable Firewall and Antivirus Software
You can disable any security software and firewall, then try manually installing the security update from the Microsoft Download Center, then click Ignore when the error message is displayed.
Download and install the standalone packages for these updates.
To temporarily disable Windows firewall settings: