Windows Defender was introduced by one of the most well-known technological company, Microsoft many years ago as an anti-spyware protector that has the built-in system. It is accessible from Windows XP to Windows 7. For the users of Windows 8 and 10, this software has been made to secure your system from the virus also. But sometimes we find windows defender won’t turn on Error.
The problem starts when Microsoft’s protection software isn’t able to work properly while downloading and running dedicated anti-virus software, like Norton or McAfee. The time you try to download some other anti-virus program, you would be able to see a message that tells you that you supposed to ‘disable’ Windows Defender in case you want to save yourself from issues between two programs. By continuing with this Defender will not re-enable the time any trial you’ve taken up or subscription with another service has terminated.
There is a problem with most free of cost version of the software has that they don’t have latest features accessible in paid ones, but Windows Defender has very supportive devices like cloud-based protection, real-time analysis tools, and to delete malware. It also excludes the ads you would probably expect from freeware.
The best thing about Windows Defender is that there are no consistent irritating messages or notifications for the upgrade.
Users aren’t supposed to download or install anything except significant updates that can be managed via Windows Update. Windows Defender is built into the Windows OS and the time you turn it on Windows 10 will grant you complete access towards the antivirus platform.
Windows Defender is not the latest software for the sake of safety requirements, apart from the fact that it is out of cost and supportive in nature. Like implementing antivirus in a whole organization, or in case you have some private data present in your system.
Here the first step users should go for is to see if Windows Defender is on or off. Users can confirm it by taking a look at the notifications area along the Taskbar. The icon resembles a castle wall. It is a possibility that it can be in the hidden items, so in that case, just tap the upwards arrow and take a look inside. In case the icon pops up and there is not a cross (X) beside it then it means to say that Defender is running, and you aren’t supposed to go for any other steps.
There are many users who have complained that Windows Defender won’t turn on their PC, and this is a big issue.
Following are some methods through which users can solve windows defender won’t run on Error:
The time users remove third-party antivirus methods while utilizing the Uninstall option via Control Panel, there’s a huge possibility that there are some files left unfound and it stops you from running Windows Defender.
Users can also utilize uninstaller software to delete antivirus from their system. In case you don’t know anything about it then uninstaller software is a special app that is used for the sake of optimized removing programs. This uninstaller will delete the chosen app but it will also erase all files and registry entries that are interlinked with that app. As a result, the chosen app will be erased and it will be as in case the app was not downloaded.
The System File Checker device manages corruption present in system files. Users can utilize this device to verify if Windows Defender is problematic or not. You can perform an SFC scan by following below steps:
In case users are unable to run the SFC scan or if SFC can’t resolve the error, they can try utilizing the DISM scan. You can do it by following below steps:
The time you see that the process of scan is completed just see if the issue is solved or not. In case you were unable to run the SFC scan or if the DISM scan doesn’t resolve your error then repeat the SFC scan again and check if that ends the problem.
At times third-party apps interfere with Windows and become the reason of this issue. Users can find the app that is causing errors by going for a clean boot. Users can do it by following below steps:
As the first step tap Windows Key + R and enter msconfig. Then click Enter or press OK
When you see that your PC has restarted see in case the issue is still there or not. It means that one of the disabled applications or services was the reason for the issue. Users can find the problematic application or service by enabling them one after another or in groups till you recreate the error. At the end just disable or install that app again and the error will be solved.
If you want Windows Defender to work normally you need to have particular services enabled. In case those services aren’t working the usual way they want before, Windows Defender won’t be able to turn on in any condition. Users can always initiate important services by going through the following instructions:
As the first step tap the Windows key + R > launch Run. Type services.msc > tap Enter or press OK.
In the end, just restart the services that are needed and see in case the issue with Windows Defender is solved.
It also happens Windows Defender won’t turn on because it is disabled by your group policy. It is an issue that can be solved by altering group policy. Just go for the following steps:
After you have done with these changes, Windows Defender should be enabled. Then it will run without any issues on your system.
In case Windows Defender won’t turn on, the issue might probably be interlinked to your registry. Users can simply modify their registry and solve this error by going through the below steps:
In case you’re the latest user and like utilizing the command line. You can do this from Command Prompt or PowerShell by doing the below steps:
Now the chosen DWORD will be altered to 0 and the error should be solved. There are some users who recommend removing DisableAntiSpyware DWORD, so you can probably try this also.
Windows Defender Won’t Turn On issue is often faced by users and can be solved by following one of the mentioned methods above.
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