Windows 10 Update Failure Error Failure 80240020 [Quick Fix]

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Windows 10 is one of the most popular operating systems used today. However, some people still experience problems installing it. If you face such issues, you might need to fix Windows 10 update error 80240020. Here we provide some methods to help you fix the problem.

There are many other problems related this issue. For example: how to fix Windows 10 failed to download or install; how to fix Windows 10 update failed to start; how to fix Windows 8 failed to download or install etc.

If you want to fix Windows 10 update failure, you should firstly check whether you have enough space left on your hard disk.

2. How to Fix Windows 7 Failed To Download Or Install And Repair

3. How to Fix Windows 8 Failed To Download Or Install and Repair

4. How to Fix Windows Update Failed To Start

Method 1: Utilize the Windows Update Troubleshooter tool.

If you are having issues installing updates on Windows 10, it could be because of one of many reasons. One reason is that your computer might be infected with malware. If this is the case, you will want to perform a full scan of your PC to ensure that everything is running smoothly. You can use Malwarebytes Anti-Malware Free Edition to do just that.

Step 1: Launch Malwarebytes Anti-malware Free Edition. Click on Scan Now button.

Step 2: Wait for the program to finish scanning your device. Once finished, a detailed report about what needs to be done to fix the problems will be displayed.

Step 3: Go ahead and follow the instructions.

Step 4: When the process is complete, restart your computer.

Step 5: Try to install updates once again.

Step 6: If the same error occurs, repeat Steps 1–5.

Method 2: Modify Registry Keys

The second method involves modifying the registry keys directly. If you are comfortable with editing the registry, this is the way to go. You must make sure that you understand how it works and what you are doing before proceeding.

1. Open regedit.exe

2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\WindowsUpdate

3. Create a new key named InstallDate under the WindowsUpdate subkey.

4. Create a new string value called CurrentInstallStatus and set its data type to REG_DWORD.

5. Set the current install status to 0 (not installed).

Method 3: Delete the SoftwareDistribution directory.

The SoftwareDistribution folder stores information about software installed on the computer. If it contains invalid data, Windows might display an error message. In some cases, this error message appears even though the file is empty. You can use the following steps to resolve this problem.

1. Click Start, type regedit into the Search box, and press Enter.

2. Double-click HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Software Distribution.

3. Right-click the SoftwareDistribution key, select Delete, and then click Yes.

4. Restart the PC.

5. After restarting the PC, check whether the error message still occurs.

6. If the error does not occur, you can safely close the Registry Editor window.

Updated: May 2024

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Method 4: Reset the Microsoft Windows Update Components

If none of the above solutions work for you, here is another one. You can try resetting the Windows Update components to resolve the Windows 10 update error code 80420020. Here are some steps to do it:

1. Click Start button, type “regedit”, press Enter to open Registry Editor window.

2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate

3. Locate CurrentVersionNumber key under WindowsUpdate node. Double-click it to display its value.

4. Change the current number to 0. Press OK to save changes.

5. Restart the computer.

6. Check again whether the error persists.

RECOMMENATION: Click here for help with Windows errors.

Frequently Asked Questions

What does RTM indicate?

RTM stands for Release to Manufacturing, a significant development milestone in software engineering. Not directly applicable to Windows 10, but historically, it decided when a build is appropriate for deployment in production environments, where it may be used for daily computing and preloaded on new machines.

Windows 10: Will an Internet connection be required?

Windows 10 can be used without an active Internet connection. It works flawlessly offline, and you can do anything you typically could with Windows 7 or a previous version.