How to fix Windows Update Error Code 0x80070bc9


Windows Update is a crucial aspect of maintaining a healthy and secure operating system. However, users occasionally encounter error codes that can hinder the update process. One such Error Code 0x80070bc9 . In this article, we will explore the causes behind this error and provide solutions to help you resolve it.

Reaons For this  Error Code 0x80070bc9:

Corrupted System Files: The presence of corrupted or damaged system files can lead to update failures, causing this error code 0x80070bc9.

Software Conflicts: Third-party antivirus programs or firewall settings may interfere with the Windows Update process, causing errors.

Incomplete Updates: If a previous update was not installed correctly or was interrupted, it can result in subsequent updates encountering error 0x80070bc9.

Insufficient Disk Space: If your system doesn’t have enough free disk space, it can impede the installation of updates, leading to errors.

Quick Solutions to Fix Error 0x80070bc9:

This error typically manifests as a notification or a pop-up message, alerting users to the issue. While it may seem daunting, understanding the root causes can help you navigate through the troubleshooting process.

Run Windows Update Troubleshooter:

  • Navigate to Settings > Update & Security > Troubleshoot.
  • Select Windows Update Troubleshooter
  • Run the tool to identify and fix potential issues.

Disable Third-Party Antivirus:

Temporarily disable or uninstall third-party antivirus software to eliminate potential conflicts with Windows Update.

Check Disk Space:

Ensure that your system has sufficient free disk space for the update. You can use the built-in Disk Cleanup tool to remove unnecessary files.

Reset Windows Update Components:

  • Open Command Prompt as an administrator.
  • Run the following commands:
  • net stop wuauserv
  • net stop cryptSvc
  • net stop bits
  • net stop msiserver
  • ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
  • ren C:\Windows\System32\catroot2 catroot2.old
  • net start wuauserv
  • net start cryptSvc
  • net start bits
  • net start msiserver

Perform System File Checker (SFC) Scan:

  1. Open Command Prompt as an administrator.
  2. Run the command: sfc /scannow to scan and repair corrupted system files.

Install Updates Manually:

Visit the official Microsoft Update Catalog ( and manually download and install the pending updates.


By following these steps, you can address and resolve the Windows Update error code 0x80070bc9. Regularly keeping your system updated is essential for security and performance, so addressing update issues promptly ensures a smooth computing experience

At last, if you are still not able to resolve this issue. We recommend you to Chat with our experts. I am sure they will help you resolve this issue. If you like to see the procedure for paid support, to clarify, you may ask the Tech Available online.

Click here to visit our tech expert to clear your problem Chat with us for more Technical Support.

Tags: , , , , , , , , ,

Most Viewed Posts
How to solve error code 8024400a in windows 10/11 update
Solutions for Windows Update Error Code 0x80070422
Windows 10/11 update error code 0x800700c1
How to Fix Error Code 0x80080005 in Windows 10/11 Update?
[Fixed] Windows Update Error Code 0x800b010a