People sleep peacefully when they feel protected, just as we use computers with ease because of Windows Defender.
It detects and blocks malware files, blocking exploits, internet-based attacks, and phishing sites.
But when Windows Defender fails to start, its natural to feel anxious and worried.
So, lets begin.
Any system error or problem can create difficulties in opening the Windows Defender.
But you could handle the issue by updating programs, removing third-party apps, and altering service options.
Also, there are additional ways to fix the Windows Defender not running problem.
Read the following procedures to solve the problem.
Here are the methods to fix the Windows Defender wont run issue in Windows 10:
1.
Check the Date & Time
Many apps depend on the systems time.
Before jumping to the fix, ensure the correct date and time on your PC.
If not,change the time and format in Windows.
Update Windows Defender
Updating the Windows Defender will plant the latest version on your PC.
Consider reading the process below to update the Windows Defender and fix the opening issue.
Update Windows
Microsoft regularly pushes updates to fix bugs and errors in Windows.
Updating the Windows will fix the issue in Defender and allow you to fire up the app normally.
Here are the steps to update Windows:
Upgrading to the latest Windowsgives an advantage to the system program.
It helps to run apps smoothly and provides better security.
Restart Security Center Service
Windows Defender needs some services to run properly.
If the services stop or arent running, Windows Defender will start malfunctioning and wont open.
You must restart the services to fix the problem.
Read the following instructions to restart the security center service in Windows 10.
Set Automatic Windows Defender Service
Usually, Windows Defender starts automatically after opening the PC.
You must activate the automatic startup option if the service fails to start.
Opening Windows Defender after starting the PC differs from enabling the startup apps.
Consider reading the following instructions to configure the automatic Windows Defender Service.
Change Group Policy
The Windows group policy configures and manages the system services of your PC.
Windows Defender wont run if its turned off from the group policy.
Let me guide you through the group policy customization and switch on the prefs for Windows Defender.
Run SFC Scan
System files are critical and vital for running your PC smoothly.
Any corrupted data can create a problem while opening the Windows Defender.
Most people install Windows on their SSD.
But, if you are constantly missing system data, its surely concerning.
You need tofix the corrupted SSDto execute the system and Windows Defender properly.
Modify Windows Registry
Sometimes, Windows Defender may fail to open normally due to issues in Windows Registry.
you gotta tweak some options in the registry to trigger the Windows Defender on your PC.
But, Windows Registry is very critical, and any mistake can harm your system.
So, its better toexport the Windows Registryand keep it as a backup.
Once youre done with the exporting process, follow the procedures below to modify the Windows Registry.
With the clean boot, you might avoid the third-party apps problem and execute the system apps smoothly.
Consider reading the following steps to apply a clean boot on your PC.
Frequently Asked Questions
How do I enable Windows Defender in Windows 10?
Why cant I open Windows Defender?
How do I know if Windows Defender is turned on?
The Windows Defender is turned on if you see it inShow hidden iconson the system tray.
Wrapping Up
Windows Defender is vital for the real-time protection of your PC.
Here, Ive explained all the methods of resolving the problem while opening the Windows Defender.
