5 Ways to Solve Windows Defender Can’t Open


Windows Defender is an anti-virus software program that comes immediately from Microsoft. This software will likely be owned by each laptop with Microsoft working system mechanically default. Besides having the ability to carry out periodic virus scans, this software additionally removes problematic purposes, screens gadget efficiency and well being, and protects you from dangerous net pages.

Windows Defender is an software that’s fairly essential on a pc. If you expertise interference, together with not having the ability to open it, it is vitally harmful. Make certain you repair this drawback instantly in order that your laptop stays protected with Windows Defender.

Causes Windows Defender Can’t Open

There are a number of predominant causes that trigger Windows Defender not to open, together with:

A Windows working system that does not work correctly may cause the breakdown of its parts as properly, together with Windows Defender. The function of the working system could be very massive on the efficiency of purposes or applications default which he has.

System providers being stopped or suspended could be one other reason for Windows Defender not opening. This situation could be characterised by the unresponsiveness of interplay to many applications. Finally, this drawback may cause interference with different laptop applications.

  • Problem With Anti Virus Application

Anti-virus purposes may also be dangerous to the well being of your laptop, particularly in the event you get them from untrusted sources. This software can take full management of your gadget and will trigger interference with some applications. Make certain you put in third-party anti-virus with excessive warning.

  • Attacked Malware or Virus
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Malware or viruses can transfer round and delete present information inflicting harm. A defective Windows Defender may cause the pc to develop into unprotected from malware.

How to Fix Windows Defender Can’t Open

There are a number of methods you could select to resolve Windows Defender that can’t be opened, that are as follows.

1. Restart Computer

Restart Computer
Restart Computer

Method restart laptop appears easy. However, the effectiveness of this technique is unquestionable. There are many issues with Windows that may be solved just by reloading the gadget in use.

This technique is barely relevant if the issue that happens is brought on by a system service that’s not operating or is suspended. If after doing this technique there isn’t a change or response from Windows Defender, please strive one other technique.

2. Remove Anti Virus Apps

Removing Anti Virus Apps
Removing Anti Virus Apps

There is a risk that your anti-virus is stopping Windows Defender from working. This situation can happen in the event you use an unknown anti-virus. To find a way to take away anti-virus purposes, one of many methods you are able to do is as follows:

  • Click menu begin
  • Choose settings
  • Entered into apps
  • Select the apps and options tab
  • Look for the anti-virus software, click on uninstall
  • Click uninstall as soon as once more to affirm the deletion motion
  • Follow the app removing process
  • Done
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3. Restart Security Center Service

Restart Security Center Service
Restart Security Center Service

Reload, or restart Security Center service could be a technique to repair Windows Defender that does not open. Many individuals imagine that this technique can repair Windows Defender that’s experiencing failed to open error. To do that technique, the steps that should be taken are:

  • Open Task Manager first
  • Select the Services tab
  • Right click on on Security Center
  • Choose restart
  • If it has been reloaded, strive to verify the situation of your Windows Defender once more
  • Done

4. Run CMD


Windows Defender that will not open could be brought on by corrupted or lacking system information. You can use some instructions in Command Prompt (CMD) to repair the issue. Run a system file verify or SIDM restore to restore corrupt system information. The steps that want to be taken are as follows:

  • Click menu begin Windows in taskbar
  • Click on Windows system
  • Right click on on Command Prompt
  • Click extra
  • Click run as administrator
  • Type the command “sfc /scannow” and press Enter
  • Wait till the method reaches 100%
  • Please restart your gadget to see the outcomes
  • Done

If the steps above haven’t solved the issue, you possibly can carry out the DISM command on CMD. The steps to take are:

  • Do log in and run Command Prompt as administrator
  • Type the command “DISM/Online/Cleanup-Image/RestoreHealth” and press Enter
  • Wait for the method for some time
  • Please restart your laptop to see the outcomes
  • Done
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5. Activate Windows Defender

Activating Windows Defender
Activating Windows Defender

If not one of the strategies above have labored, it is doable that the issue happens as a result of your Windows Defender is in poor situation disabled or off. You can re-enable it by way of group coverage settings. The steps you want to take are:

  • open the window group coverage editor
  • Type “gpedit.mcs” within the search discipline run
  • Press enter or OK
  • Enter the menu folder Windows Defender, usually positioned in Computer Configuration > Administrative Templates > Windows Components > Windows Defender
  • See the desk on the precise
  • Double click on flip off Windows Defender Anti Virus
  • Change Windows Defender settings within the accessible window
  • Choose not configured within the settings on the highest left
  • Click apply and click on OK
  • Done

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