Windows Defender is disabled or inactive, this is a fix

In some cases when opening Windows Defender you receive an error message: Windows Defender has been turned off, and it is not monitoring your computer.

Windows Defender is disabled or inactive, this is a fix

Windows Defender is one of the most effective anti-virus programs that helps protect against malicious software, malware, spyware . and protects your computer safely. This is a free program that Microsoft provides for Windows users. Windows Defender allows users to schedule to scan or schedule automatic scans .

However in some cases when opening Windows Defender you receive an error message: "Windows Defender has been turned off, and it is not monitoring your computer ".

This error may be due to the installation of a program, certain antivirus software Windows Defender has been disabled. To fix the above errors, follow the steps below:

Windows Defender is disabled or inactive, this is a fix Picture 1

1. Open Action Center and check if Windows Defender is enabled.

2. Run services.msc to open Services Manager. Make sure that Windows Defender Service is enabled and set Automatic.

3. Re-register the DLL file.

Run each of the commands below into the Elevated command prompt window, after each command press Enter:

regsvr32 wuaueng.dll

regsvr32 wucltui.dll

regsvr32 softpub.dll

regsvr32 wintrust.dll

regsvr32 initpki.dll

regsvr32 wups.dll

regsvr32 wuweb.dll

regsvr32 atl.dll

regsvr32 mssip32.dll

4. At this point on the screen, Windows Security Center will prompt you to "Check installation" in the Malware Protection section. Your task is to click Turn on now.

An error message will appear on the screen: "There are no definitions available to download for Windows Defender".

In this case it is very likely that the cause of the error is due to WMI repository inappropriate. Restart the WMI repository to fix this error.

Open the Command prompt under Admin, enter the command below and press Enter:

winmgmt / verifyrepository

If you receive the message "WMI repository is not consistent" , run the following command:

winmgmt / salvagerepository

This command will check the identity of the WMI repository and fix the problems. Restart your computer, then try to activate Windows Defender.

If you receive the message "winmgmt / salvagerepository is failed" , ignore the message and rerun the winmgmt / salvagerepository command again.

Refer to some of the following articles:

How to disable and completely remove Windows Defender?

Your Windows 10-based computer has a virus, this is a fix

How to schedule automatic scans for Windows Defender on Windows 8

Good luck!

Fix Windows Defender is disabled on Windows 10, 8.1, 8
in previous articles, tipsmake showed you how to turn off windows defender on windows 10, 8.1, 8, then in this article we will show you how to fix windows defender is disabled on windows 10, 8.1, 8 , you can follow the instructions below.
How to Turn Off Windows Defender in Windows 10
this wikihow teaches you how to turn off windows defender, both temporarily and 'permanently', in windows 10. while windows defender can be disabled until you restart your computer from within settings, you can prevent windows defender...
How to Turn On Windows Defender
this wikihow teaches you how to turn back on windows defender on your pc. if you've disabled windows defender in the time since your last restart, you can turn it back on from within the windows defender program. if you recently installed...
Instructions for using Windows Defender
as we all know, windows 10 has a built-in real-time anti-virus program called windows defender and actual testing shows that this tool works relatively effectively.
How to turn off the Windows Defender Summary notification on Windows 10
windows defender is a computer security program that detects viruses available on windows 10 computers. users will receive detailed operation of the tool via the windows defender summary notice.
How to add exceptions in Windows Defender on Windows 10
windows defender is integrated into windows 10 to find malware. to improve performance for tasks such as compiling code or running virtual machines, you can add exceptions and windows defender will never scan those files.
How to fix errors cannot open Windows Defender on Windows 7/8/10
windows defender is one of the most effective anti-virus, malware, malware, spyware programs ... and protects your computer safely. here are some ways to fix windows defender that cannot be opened in windows 7/8/10
Use Windows Defender with Command Prompt on Windows 10
windows defender is a free antivirus software that microsoft has created to combat malware on computers. this security software is integrated on windows 10 and windows 8.1. windows defender will find and remove viruses, spyware, rootkits and bootkits and some other malicious code on your computer.
How to kill viruses with Windows Defender Offline on Windows 10 Creators
windows defender on windows 10 creators has been upgraded and the interface is changed to windows defender security center. and users can activate the windows defender offline feature on windows 10 creators.
Shadow Defender - Download Shadow Defender here
shadow defender takes the approach: create a virtual space on the computer (shadow mode) and then redirect any changes on the system to it, so that any malicious activity will not affect the system. real system.
How to use Windows Defender to scan programs that do not want PUP?
windows defender is a security and anti-virus software built into windows. users can use windows defender to remove viruses and malware on their windows 10 computers.
Add the 'Scan with Windows Defender' command to the right-click menu in Windows 8
windows 8.1 users may not need to install any antivirus program to protect because it itself is equipped with windows defender by microsoft. basically, windows defender provides good protection for users to use safely. however, when windows defender is needed to scan suspected files or folders, you must access control. panel to call it, this sometimes causes a little inconvenience for users.