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Let’s have a look at some options.įix 1: Disable or Uninstall a Third Party Anti-Virus The exact fix for this Windows Defender problem depends on what exactly caused the error. How to Fix Windows Defender Won’t Start Error Let’s have a look at how you can fix the Windows Defender can’t start error quickly. Windows Defender service keeps stoppingĪll these leave your computer unprotected, may lead to lags, and prevent you from using your computer the way you’re used to.User can’t open Windows Defender Security Center.There are several ways in which users experience this Windows Defender error. In this post, we’re going to help you fix Windows Defender won’t start error.
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Many users have reported a problem when they couldn’t start Windows Defender no matter what. While it does a good job protecting your PC against viruses, malware, spyware and adware, it can sometimes start acting up. Now, Windows 10 has its own built-in anti-virus, which is trusted by millions and does are pretty good job. Now, feel free to restart your computer and run Windows Defender Antivirus.Gone are the days of you having to try dozens of different anti-virus programs. After that, right-click on it and set it to 0. If this key is not listed, right-click an empty field, select New and DWORD (32-bit) Value. Click OK and, in the Registry Editor interface, navigate to HKEY_LOCAL_MACHINE \ SOFTWARE \ Policies \ Microsoft \ Windows Defender. This method is not harmless at all, so be very careful not to accidentally damage the registry. Next, double-click Disable Windows Defender Antivirus and, in the new window, select "Not configured". Next, click Windows Components and select Windows Defender Antivirus.
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In the left pane, go to Computer Configuration and select Administrative Template.
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To do this, open the Run dialog box as shown above and enter gpedit.msc and click OK. Therefore, check and change the Group Policy, if necessary. If Windows Defender is disabled by your group policy, it will not function.
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