Windows Update Error 0x80070bc9
Windows Update Error 0x80070bc9
Blog Article
Error Code 0x80070bc9 is common across all Windows operating systems when attempting to install updates. It typically occurs when the Windows update system is broken or there are network-related glitches.
Solution 1: Perform Windows Troubleshoot for Updates
Start by running the Windows Troubleshooter to identify and resolve common update issues.
Solution 2: Disable Proxy Internet Connection
- Open Internet Explorer and click on Tools → Internet Options.

- Navigate to the Connections tab and click on LAN Settings.
- Ensure that the Proxy server option is unchecked.
Note: Some antivirus programs may also have proxy settings enabled. Check your security program settings or contact our tech experts for assistance.
Solution 3: Repair Windows Update Services
Failed Windows update services might cause Error 0x80070bc9. Follow these steps to reset Windows update services:
- Open Command Prompt as Administrator by right-clicking on it.
- Navigate to
C:Windows
. - Rename the SoftwareDistribution folder to SoftwareDistribution.old. If renaming fails, stop the Windows update service first by running:
net stop wuauserv
. - Once renamed, restart the Windows update service using:
net start wuauserv
. - Check for updates again.
Solution 4: SFC Scan to Fix Error Code 0x80070bc9
Use the SFC scan command to check and repair system file corruption:
- Open Command Prompt as Administrator.
- Type the following command and press Enter:
SFC /SCANNOW
.

- Wait for the scan to complete. If issues persist, additional steps might be needed.
Final Solution: Reinstall Windows Operating System
If none of the above solutions work, reinstalling the Windows operating system might resolve the issue:
- Back up all personal data to avoid data loss.
- Follow the steps to reinstall your version of Windows.
Important: Ensure your hardware is compatible with the Windows version you are installing.