We'll be focusing on the following: Perform Automatic Update, Update Windows Defender via the Command prompt, or Update manually. There are many reasons why the update may fail, including registry malfunctions, NIS issues, third-party Antivirus or other errors. This post will provide the solutions to each section. The last resort, i.e. If Windows Defender is disabled, enable it using Group Policy. This article will help you to understand and resolve any issues with your Windows Defender .
Is Windows Defender Update important?
Windows Defender is no longer a simple program. Windows Defender is now considered to be one of the most effective anti-malware programs available. It aims at protecting your system against all kinds of problems. This includes real-time protection, device performance, and health. Parental controls are also available along with app and browser control. Device security is also included.
Windows Defender can be updated, keeping in mind all the functions it performs. This will give your computer an advantage over all the free antivirus programs. Windows Defender Update is, in fact, a very important task.
Here's how to update Windows Defender Antivirus
Here's how to update Windows Defender Antivirus on Windows 10.
Do an automatic update
Windows Security can be updated quickly and easily with an automatic update. This automatically downloads the most recent version and applies it in the Windows Defender Security App. Follow the steps below to do this:
Click the Up Arrow in the Taskbar to select the Windows Security icon.
Click on the Virus and threat protection category. Scroll down to the Check for updates option.
Click the Check for Updates link on the same page.
This will search for any pending updates. Install the update on your computer.
Command Prompt to Update Windows Defender
Sometimes, the Enterprise Administrator can send push updates to their endpoints. To clear the definition cache, you can use a batch script. Remember to use the prompt with administrative privileges.
To launch the Run dialog box, press Win logo and R hotkey.
To launch Command Prompt, type cmd while simultaneously pressing Ctrl+Shift+Enter shortcut.
Click Yes to allow access if the UAC prompt is displayed.
Copy/ Paste the code below one at a time and hit Enter at each end.
After the process is complete, Windows Defender will be automatically updated.
Network Inspection System Updates
NIS (Network Inspection System), is designed to protect your network from any potential threat. This is primarily responsible for inspecting the attack from the client and then controlling System Center Endpoint Protection (Forefront Endpoint Protection) and Microsoft Security Essentials.
First, ensure that the Network Real-time Inspection Client component is up to date before you attempt to update it.
Then, download the exact same file i.e. You can choose between 32-bit or 64-bit depending on your system architecture.
Install the update
Follow these steps to manually update Windows Defender on Windows 7.
Click on the File Explorer icon in the system tray.
Select the This PC option and then select Properties from the context menu.
You can also find the details of your system on the same page.
Click on the link below depending on your System architecture to download Windows Defender Antivirus. 64-bit
Save the file to a particular location on your computer.
Henceforth touch the file which appears as win10-mpam-fe-x86.exe on 64-bit Windows.
For 32-bit Windows, you can see the win10-mpam-fe-x64.exe file. To manually update Windows Defender Antivirus, select the option that best suits your system.
After the above steps are completed, your security software will start working properly.
Third-party antivirus software should be removed
Windows Defender may not update if you have third-party antivirus software. It is best to remove anti-spyware software from your computer. These are the steps:
Press Windows key together and press I to open Settings.
Click on the Apps category to switch to the right pane with Apps & Features.
Scroll down and choose Anti-malware from the list.
Click on the Uninstall button to remove the file.
To confirm, tap the Uninstall button again.
Wait until the process is completed. Then, retry updating Windows Defender.
Full Scan Windows Defender cannot be updated as a result. The system file checker command can be used here, i.e. SFC/scannow This scans the file and attempts to fix it.
Do a full scan
Your PC's smooth operation could be affected if there are errors in your system files. Windows Defender cannot be updated as a result. The system file checker command can be used here, i.e. SFC/scannow This scans the file and attempts to fix it.
Type Command Prompt into Cortana.
Right-click the result that you like and choose Run as administrator.
Click Yes to allow access to the UAC prompt if it appears.
Copy/paste near the blinking cursor, then hit Enter at end.
It can take some time so be patient. After the task is completed, reboot your system and then try the following methods to update Windows Security.
Restart Security Center Service
You can reset Security Center Service if the scannow/ sfc command fails to produce the desired results. To proceed, follow the steps below.
To open Run, press Win+ R shortcut.
Type services.msc in the blank box and hit OK.
Scroll down and locate Security Center.
You can right-click the same and hit Restart.
Remove conflicting Registry Entry
Windows Defender Update Error can also be caused by conflicts in the registry editor. These steps will allow you to reset the Registry Editor settings.
To open the Run dialog box, press Windows key + R hotkey. You can also go to Start and type 'Run'.
Type "regedit" and hit the enter key. This will open Registry Editor. Navigate to the next path.
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
Search for MSASCui.exe or MpCmdRun.exe.
Click on the file to delete it. If you don't see the files above, close this editor.
Windows Defender enabled from the Group Policy
This is the last resort if none of these solutions work.
You may receive the message "This application is disabled by Group Policy" in certain circumstances. Windows Defender will need to be activated using the registry editor if this is the case. This will only happen if you have another antivirus installed on your computer. It is important to delete any conflicting applications before Windows Defender can be manually enabled. These steps will enable Windows Defender with Registry Editor:
Type run into the Start button. Double-click on the most matched option to open Run
Enter regedit in the empty field and hit enter to open Registry Editor.
Navigate to the following key-once Registry Editor has opened.
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender
If you see DisableAntiSpyware in the right pane, then change its value to 0.
If you do not have the key, create it and then perform the function.
Right-click the Windows Defender Key to open the New DWORD option. This file should be renamed to DisableAntiSpyware. Change its value to 0.
Finally, save the key and exit Registry Editor.
I trust that the Windows Defender Update issue will be resolved by now. For more questions you should visit Microsoft office official site www.office.com/setup or Www.office.com/setup365.
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