Fix Error Code 0x800f081f/0x80070005 When Installing Windows 11 Update KB5029263/KB5029253

Fix Error Code 0x800f081f/0x80070005 When Installing Windows 11 Update KB5029263/KB5029253

Error codes 0x800f081f and 0x80070005 are commonly associated with Windows Update issues. These errors can occur due to various reasons, such as corrupted system files, incorrect settings, or software conflicts. Here's a step-by-step detailed solution to fix these errors when installing Windows 11 updates (KB5029263/KB5029253):

Note: Before proceeding, it's a good idea to create a system restore point or back up your important data to prevent any potential data loss.

Solution 1: Run Windows Update Troubleshooter

  1. Press Win + I to open the Settings app.
  2. Go to "System" and then select "Troubleshoot" from the left sidebar.
  3. Click on "Additional troubleshooters."
  4. Find and run the "Windows Update" troubleshooter.
  5. Follow the on-screen instructions and let the troubleshooter attempt to fix the issues.

Solution 2: Reset Windows Update Components

  1. Open a Command Prompt with administrative privileges. To do this, search for "cmd" in the Start menu, right-click on "Command Prompt," and choose "Run as administrator."

  2. In the Command Prompt, enter the following commands one by one and press Enter after each:

    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
  3. After running these commands, close the Command Prompt and restart your computer.

Solution 3: Manually Install the Update

  1. Visit the Microsoft Update Catalog website ( using a web browser.
  2. Search for the specific update KB5029263/KB5029253.
  3. Download the update that matches your system architecture (32-bit or 64-bit).
  4. Once downloaded, double-click on the downloaded update file to start the installation.

Solution 4: Check Disk for Errors

  1. Press Win + X and choose "Windows Terminal (Admin)" or "Command Prompt (Admin)".

  2. In the command prompt, type the following command and press Enter:

    chkdsk C: /f /r

    If Windows asks you to schedule a disk check for the next restart, type Y and press Enter.

  3. Restart your computer. Windows will check and fix any disk errors during the boot process.

Solution 5: Disable Third-Party Security Software

Sometimes, third-party security software can interfere with Windows updates. Temporarily disable any antivirus or firewall software before attempting to install the update.

Solution 6: Perform an In-Place Upgrade

If none of the above solutions work, you can try performing an in-place upgrade of Windows 11. This process essentially reinstalls Windows while keeping your files, apps, and settings intact.

  1. Download the Windows 11 Installation Media from the official Microsoft website.
  2. Create a bootable USB drive or ISO file using the Installation Media.
  3. Boot your computer from the USB drive or ISO and choose the "Upgrade" option when prompted.

If none of these solutions work, you might want to consider seeking help from Microsoft support or visiting a professional for assistance, as the issue could be more complex and require specialized troubleshooting.

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