Windows update giving error 0x80070306 every time (KB5063060)

Troubleshooting Persistent Windows Update Error 0x80070306 for KB5063060

Introduction

Many Windows users encounter frustrating issues when attempting to update their operating system. One such problem involves recurring errors during the installation process, which can significantly hamper system performance and usability. If you’re experiencing the error code 0x80070306 specifically tied to the update KB5063060, this guide aims to help you understand the root causes and provide effective solutions to resolve the issue.

Understanding the Error

Error code 0x80070306 typically indicates a problem with system files or corrupt components that interfere with the update process. In this case, the update KB5063060—which may include security patches or feature enhancements—refuses to install, often leading to a continuous loop where Windows repeatedly attempts to download and install the update without success. Such loops not only hinder system stability but can also drastically affect performance, making normal computing tasks difficult.

Common Causes

Several factors can contribute to this error:

• Corrupted Windows Update components
• Incomplete or failed previous updates
• Corrupted system files or registry issues
• Problems with the Windows Update service
• Issues with system files related to the specific update

Initial Troubleshooting Steps

Before diving into more advanced solutions, consider the following basic measures:

1. Restart Your Computer: Sometimes, a simple reboot can resolve temporary glitches.
2. Run Windows Update Troubleshooter: Built-in diagnostic tools can automatically detect and fix common problems.
3. Ensure Your System is Fully Updated: Check for any pending updates that might need to be installed first.

Advanced Solutions

If the basic steps do not resolve the issue, proceed with the following methods:

1. Reset Windows Update Components

Manually resetting the update components can resolve many update errors. This involves stopping related services, deleting temporary update files, and restarting services. Such steps should be performed carefully, following detailed instructions or using automated scripts.

1. Use the System File Checker (SFC)

Corrupted system files can prevent updates from installing correctly. Running the SFC scan can detect and repair such files:

• Open Command Prompt as Administrator.
• Enter the command: sfc /scannow

• Wait for the process to complete and follow any on-screen instructions.

• Use the Deployment Image Servicing and Management (DISM) Tool

DISM can repair Windows images, resolving underlying issues related to updates:

• Open Command Prompt as Administrator.
• Run the following commands sequentially:

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