Smart Solutions To Fix Windows Defender Won’t Turn On Windows 7

Windows Defender is an inbuilt Windows Antivirus software. Sometimes its users encounter with the issue where their Windows Defender won’t turn on Windows 7. Furthermore, it is also noticed in the later version of Windows, i.e., if they are using Windows 8 or 10. Hence, they try to run the Windows Defender by removing all the other antivirus software from the device.

Windows Defender is a brilliant antivirus in Windows 10. It provides a real security for your Windows. However, several users notified us that they cannot turn their Windows defender on while they are working with their devices. Thus, it could be a major problem for them causing enormous difficulties in their daily work.

Windows Defender Won’t Turn On: An Overview

Multiple users claim that Windows Defender won’t turn on on their system. Hence, if you are encountering a similar trouble, remove all third-party antivirus appliances from your system. You need to delete all the inbuilt files and the registry data which is linked with your security application.
The Windows Defender would be rather non-existent after you uninstall your antivirus. But before that you need to look for the other feasible options, storing the reinstallation of your security software as the last possible resort.

In some cases, you can detect an error message when trying to start the Windows Defender.

Run SFC and Dism scan. Check the status of your system device.

Easy Troubleshooting Steps To Fix Windows Defender Won’t Turn On Windows 7 Issue

It is basically a software issue which you may not able to resolve on your own. Still, we suggest you some basic methods which help you to fix the issue.

Method 1: Monitor The System Data

The System Data Inspector tool repairs corruption in system files. Use it to verify whether Windows Defender is corrupted or not.

To run the SFC scan, follow the steps below:

Hold the Windows key + X key from your keyboard, to open the Windows Mobility Center menu.

On the next tab select the PowerShell and open it with Run as Administrator.

On the PowerShell or Command Prompt type the command sfc/scannow

And then press the Enter from the keyboard.

In case, after completing all the above steps, you are not able to make any changes then try the DISM scan alternately.

To run the DISM scan, follow the steps below:

Go to the Windows Start menu and find the Command Prompt option.

Now right-click on the Command Prompt option and select the ‘Run as Administrator‘ option.

On the Command Prompt type the command DISM/Online/Cleanup-Image/RestoreHealth now hit the Enter key from the keyboard to run the command.

After that, you can see DISM  will start a scan. It may take up to 30 minutes, so don’t turn off your device.

Once the scan is finished, verify that the problem yet proceeds. If you unable to run the SFC scan or you can not fix the issue by DISM scan then, repeat the SFC scan with patience. Check whether the problem is resolved.

Method 2: Clean Boot The Device

To clean boot the device, you need to press Windows key + R key together to open the Run dialog box.

Now type msconfig on the Run dialog box and click on OK or press the Enter key.

Now you can see System Configuration window on your screen.

Click on the 3rd title, Services. On the System Configuration tab, you need to tick Hide all Microsoft services option which is located at the bottom left side of the screen. Now you need to disable its system by clicking on the Disable all option.

Go to Startup option on the System Configuration window.

On the next window of the Startup tab click on the Open Task Manager.

Now you will see Status and Startup impact of running applications. Select the first Publisher from the list and right-click to Disable it.

After disabling all the running applications, go to the main window of the System Configuration. Now click on the Apply option and then click on OK.

Finally, Restart the device.

If the problem continues, it signifies that the problems may occur due to the other unknown applications.

Method 3: Restart the Security

Press the Windows key + R key simultaneously to open the Run window.

Now type services.msc on the Run dialog box and press Enter.

Search the Security Center option to on the Services tab. Now right-click on the Security Center option and choose to Restart.

For Further Details Contact Windows Technical Support

If you are still struggling on how to resolve Windows Defender won’t turn on Windows 8 issue, then you can directly call us at our Windows Technical Support Team’s toll-free number +1-855-334-7340. You can also send an email at [email protected] regarding the issues or chat with us to get an instant support from us. Our services are available 24×7. The expert engineers are always ready to assist you with exact solutions.