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Once the Registry Editor window arrives, travel this way – HKEY_LOCAL_MACHINE => SOFTWARE => Policies => Microsoft => Windows Defender.On the Cortana text area, write regedit and she will present you the same as a result.The best advice is to check that in case of Windows Defender went off with the registry key or not – 5. Confirm Whether Windows Defender is Not Disabled Through A Registry Keyīecause of any previous mishandling of the registry keys, it might happen that Windows Defender was turned off or maybe its related keys have gone missing. And if nothing is found, try out the next one. Now, reboot the system and then try to start Windows Defender. If the System File Checker discovers any damaged stuff, it thoroughly fixes it. Wait until it exhibits you the results.In the newly visible window, proceed ahead by typing this command: sfc /scannow.Jointly press Windows and X keys and from the appeared bar pick up Command Prompt (Admin).In order to ensure that your machine does not hold any of the destructed files, run the System File Checker Scan / SFC and when you find some, get them fixed. System File Checker ScanĪccidently or suddenly some files might get damaged on your computer which leads to the disturbance of Windows Defender. See Windows Defender and if starts performing no issues, but if it refuses to not working look at the next step. If you find some, remove the infections and reboot the system. The most used tools are the MalwareBytes Anti-Malware and Microsoft Safety Scanner.ĭownload the tool from their respective pages and make it run to search the malware. A proper and thorough scan is required to find out them. Scan for MalwareĪnother significant source behind not working of Windows Defender is the presence of any malware on your computer. Hence, to make Windows Defender perform correctly, get rid of the third party anti-threat software and restart the machine. After the restart, try to operate Windows Defender. In the same way, if the outside program includes Firewall in it, then Windows Firewall also refuses to work. So, Windows Defender deactivates itself after it discovers the presence of other security programs. These conflicts slow down your machine, applications get crashed, frequent freezing, and lot more issues take place. With the presence of third party anti-threat software, there always arises a conflict between the third party programs which results in nothing good.
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Get Rid of the Third Party Anti-Threat Software
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