KB5040427 Not Installing on Windows 10 | Fixed

Solve the annoying installation problem of KB5040427 for Windows 10 update! This article provides a variety of simple and effective solutions to help you easily solve this problem and enjoy the new features and security improvements brought by the latest Windows versions.

Windows 10 KB5040427 update: brings many improvements

Microsoft's July 2024 patch update Tuesday, KB5040427, has been released for Windows 10 22H2 and 21H2 users. This update fixes several vulnerabilities in the operating system and brings new features such as improvements related to the Copilot application, improvements in the taskbar application jump list, and more. Key improvements include:

• Pin the Copilot application to the taskbar. You can double-click it to open and customize the window size and position like other applications.
• Fixed an issue where the operation failed when right-clicking an application on the taskbar or Start menu.
• After installing this update, after you fix the application, User Account Control (UAC) will prompt you for credentials.
• This update resolves issues related to MD5 conflicts.

KB5040427 is a mandatory update and will be automatically downloaded to Settings > Security & Updates > Windows Update . You can restart your computer to apply this update immediately, or customize the restart time to complete the installation.

However, some users reported that KB5040427 could not be installed. If you have the same problem, try the following solution.

How to fix KB5040427 not installed on Windows 10

Method 1: Run the Windows Update Troubleshooter

The easiest step to fix update issues like "KB5040427 cannot be installed" is to run the Windows Update Troubleshooter.

Step 1. On the taskbar, right-click the Start button and select Settings to open it.

Step 2. Navigate to Update & Security > Troubleshooting > Other Troubleshooting Programs .

Step 3. Select Windows Update and click Run Troubleshooter . After the repair process is complete, you can try installing KB5040427 again.

Method 2: Reset Windows Update Components

Resetting Windows Update Components is often considered an effective way to solve Windows Update Problems. You can check this tutorial for detailed instructions: How to reset Windows Update Components .

Method 3: Get KB5040427 from Microsoft Update Directory

Not only did Microsoft release KB5040427 in Windows update, it also provides a standalone package for this update. Therefore, facing the issue of "KB5040427 installation failed" you can try to manually download this update from the Microsoft update directory.

Step 1. Visit the KB5040427 page in the Microsoft Update Directory.

Step 2. Locate the updated version of KB5040427 that matches your system and click the Download button next to it.

Step 3. A new window will pop up, showing the .msu file, you need to click the blue link to download the file.

Step 4. Finally, run the downloaded .msu file and install KB5040427 on your computer.

Method 4: Use Windows Update Assistant

Alternatively, you can choose to use the Windows Update Assistant to update your system.

• Go to this page.
• Click the Update Now button to download the Windows Update Assistant tool.
• Run the downloaded tool and follow the on-screen instructions to complete the installation.

Recovery of information when necessary

Although Windows updates include feature enhancements and bug fixes, they do not guarantee 100% data security and system stability. During the daily use of Windows system, your files may be deleted or lost for various reasons. If you experience file loss, you can use MiniTool Power Data Recovery to recover deleted files.

The software supports recovery of a variety of file types, including documents, pictures, videos, audio, emails, and more. The free version of MiniTool Power Data Recovery helps you recover up to 1 GB of files for free. Download and try it out.

Summarize

New update for Windows 10 KB5040427 enhances your system security and fixes some bugs, which will be downloaded automatically. If you encounter the problem of "KB5040427 cannot be installed", you can try the above fix.

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