Error 8024402f, Protection definition update failed on Windows 11

If Windows Security (Microsoft Defender) throws Error 8024402f, Protection definition update failed on Windows 11, then follow this post to successfully fix the issue. Several users have complained of receiving the mistake code 8024402f while installing security signatures updates on Windows Security or Windows Denedfer.

When triggered, you will most likely see the following fault bulletin on Windows Security:

Protection definition update failed.
Error code: 8024402f
An unexpected trouble occurred while checking for updates. For information on installing or troubleshooting updates, come across Help and Support.

This fault seems to be sectional to Windows 11, so don't misfile it with the generic 8024402f fault code that occurs on older versions of Windows.

Now, if you are facing the same fault preventing you from installing new security signatures on Windows xi, try the fixes that we have mentioned in this post. Before that, let u.s.a. endeavor and understand the scenario that may trigger the security definition update error 8024402f on Windows 11.

What causes the Windows Security definition update error 8024402f on Windows 11?

Afterwards analyzing the mistake reports, here are some of the possible causes that may trigger this error:

• Information technology can occur if you don't have enough space on your bulldoze to install the updates. So, make clean upwards some space to download and install updates.
• Yous have fix an incorrect date & time on your system, it can besides cause the error at hand. So, make sure the date & time is right.
• Some glitches with the Windows Update service can likewise be one of the reasons causing the error. You tin can endeavor disabling the service for some time to fix the issue, if and only the scenario is applicable.
• The mistake can be triggered if certain dependency services are disabled.
• Other reasons for the same tin can be that Windows Security is disabled or you are dealing with some system file corruption.

Based on the scenario all-time suited to you, yous can try the beneath fixes to resolve the issue.

Fix Windows Security Definition Update Mistake 8024402f on Windows 11

Here are the methods to prepare the mistake 8024402f when installing new security updates on Windows 11/10:

1. Ensure you have plenty infinite.
2. Set the right date & time.
3. Temporarily disable the Windows Update service.
4. Make sure that Windows Security is enabled.
5. Brand sure that every dependency is enabled.
6. Perform a clean install or repair install.

1] Ensure you have enough space

I of the potential causes of this fault can exist the fact that your PC is running out of deejay space to install the security updates. Windows Security requires about 16 GB of gratis space to install definition updates for Windows Defender or Windows Firewall. Hence, the first matter you should practise is to make sure that yous take enough infinite on the OS drive to install security updates without whatsoever hiccups.

You can open File Explorer using the Win+Due east hotkey and and then go to the C bulldoze. Select and right-click on the C drive and select the Properties pick. Inside the Properties window, navigate to the General tab and look for the amount of Costless Space you have on the bulldoze. If it has more than 16 GB free infinite, well and good. If non, you will have to clear some space for installing updates.

There are multiple methods to costless upwards space on your system. You tin use Windows inbuilt utility called  Deejay Cleanup Utility to delete temporary and junk files.  Free software similar  Comet (Managed Deejay Cleanup) or Cleanmgr+ can also be used for the same. Other than that, effort deleting indistinguishable files to get some required costless space on your PC.

In case you lot accept plenty disk space to install the updates and y'all still get the aforementioned error lawmaking, there must be another underlying cause for the error. So, you tin movement on to the next prepare to resolve the error.

Related: Troubleshoot Definition update issues for Microsoft Defender.

2] Gear up the right date & time

In some instances, yous are likely to experience this error code due to inconsistency with the date and time. The Microsoft server used for downloading and installing Window Security updates may pass up the connection with your PC due to incorrect engagement and fourth dimension. And then, try noticing your engagement & time and if information technology is off, in that location are chances that is what causing the error. If the scenario is applicative, you should be able to fix the error by updating the right date & fourth dimension on your organization.

Here are the steps to set the correct date & time on Windows:

1. Firstly open Settings using Win+I hotkey so become to the Time & language > Appointment & time section.
2. Now, enable the toggle associated with the Gear up time automatically andPrepare Time zone automatically options.
   Note: Make sure the cyberspace is turned on to force the right engagement & fourth dimension.
3. Next, reboot your PC and the date and time should not be adapted correctly.

You tin now try installing the security updates and see if the error is fixed now.

In case this scenario doesn't utilise to you, go alee with the next potential fix.

Read: List of Microsoft Defender fault codes and solutions.

iii] Temporarily disable the Windows Update service

If the in a higher place two solutions didn't piece of work for yous, at that place are possibilities that the error is caused due to glitches with the Windows Update service. You can endeavor disabling this service temporarily as it won't be used for installing definition updates – a sub-service will exist used. It is kind of a workaround and has proven to be successful for some afflicted users. So, you can also give information technology a try and see if information technology works for you lot or not.

To disable the Windows Update service, you lot can follow the beneath steps:

1. Firstly, evoke Run dialog using Win+R hotkey and enter services.msc in it.
2. Now, in the Services window, scroll downward and locate the Windows Update service.
3. Next, tap on the Windows Update service and correct-click on information technology.
4. From the context menu, select the Cease option.
5. Later on that, minimize the Services window and go to Windows Security to install security updates. Meet if the error is at present fixed.

Whether or not this method fixes the error, you should enable the Windows Update service over again. Go to the Services window, right-click on Windows Update, and select the Start option to plow it on over again.

4] Make sure that Windows Security is enabled

If you get the same error code whenever installing updates related to Windows Security, make sure y'all take Windows Security enabled on your PC. The users of PRO, Enterprise, or Education edition can easily practise that using Group Policy Editor. Allow us cheque out how.

1. Firstly, open Run using the Win+R shortcut key, type gpedit.msc in it, and press Ctrl + Shift + Enter to launch the Local Grouping Policy Editor window as an ambassador. Press Yep on the UAC prompt.
2. At present, navigate to the following address in Local Grouping Policy Editor:

   Computer Configuration > Administrative templates > Windows Components > Windows Defender Antivirus

3. On this location, look for the policy chosen Turn off Microsoft Defender Antivirus in the right-side panel, and double-click on it.
4. Within the policy options, brand sure information technology is set to eitherDisabled or Not Configured. If it is not, adjust the settings accordingly.
5. Next, press Utilize > OK button to enforce the policy.
6. Finally, reboot your PC and endeavor to install the security signature that was previously giving you error code 8024402f.

This solution worked for some affected users, and so practice give it a try.

5] Brand sure that every dependency is enabled

If you still go the aforementioned error code, another this you can try is to ensure that every dependency required for installing Windows Security update is enabled. If non enabled, it tin can trigger the fault. Here are the services that y'all demand to check for:

• Groundwork Intelligent Transfer Service
• COM+ Event System
• DCOM Server Process Launcher
• Remote Procedure Call (RPC)

Then, open the Services window (as we did in method (3)) and and so expect for each of the in a higher place services and make sure they are enabled. If not enabled, correct-click on a service and select the Start option to enable it. Repeat this for each service that nosotros take mentioned above.

Besides, you need to set the Startup type for each of the above-mentioned services to Automatic. For that, you can follow the below steps:

1. Right-click on a service and select Backdrop.
2. Choose the Startup type drop-down option and select the Automatic option.

In example the trouble still persists, try the side by side fix.

6] Perform a clean install or repair install

If yous tried all the above methods and the fault is still non fixed, at that place are high chances that the problem is caused due to intense abuse nowadays on your system which is affecting Windows Security's update component. In that case, you lot tin either attempt performing a clean install or repair install. In a clean install, you may lose your information present on the Os drive. While in repair install, your system files will be refreshed without affecting your data. So, choose whichever way yous prefer and run into if it fixes the fault for y'all.

How do I troubleshoot a Windows update?

The easiest mode to troubleshoot a Windows update fault is to run the inbuilt Windows Update Troubleshooter provided in Windows 11/10. Open Settings, go to System > Troubleshoot > Other troubleshooters, and run the Windows Update troubleshooter.

That'southward information technology!

Now read: Error 0x8007007f when using Windows 11 Installation Assistant.

Source: https://www.thewindowsclub.com/error-8024402f-protection-definition-update-failed-on-windows-11

Posted by: smithmandis.blogspot.com

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