

If it is the case, your Windows defender will work correctly now. Reboot Windows 10 to take effect if required.Īs long as you have uninstalled the software, you are supposed to restart your computer and perform it again. In Programs and Features, find out and right click the third-party antivirus software to Uninstall.Ĥ. In Control Panel, choose to View by Category and then locate Programs > Uninstall a program.ģ.


From this perspective, you may as well embark on getting rid of the newly downloaded third-party software.Ģ. You may also notice Windows defender deactivates itself with the presence of the anti-threat software. Windows 10 users have long suggested that sometimes what they have just installed software, such as some antivirus program, the Windows Defender would turn off at once or cannot perform well on Windows 10. Prior to that, try to restart Windows 10 or Windows 8, 8.1 to see if a reboot will work for Windows Defender unable to turn on issue.Ĩ: Clean Boot Windows 10 Solution 1: Remove the Third-party Software It mainly consists in setting changes or file scanning. So how can you fix the Windows defender not turning on or when you turn on the Windows Defender but it stopped working on Windows 10? Let’s try elaborated solutions. How to Fix Can’t Turn on Windows Defender on Windows 10? In this sense, there is a great need for you to investigate why your defender is unable to turn on or work. Sometimes, it may occur to you when your Windows Defender turns itself off automatically. While it is common anxiety that Windows Defender can’t start or the real-time protection greyed out on Windows 10. And it is generally known that Windows defender keeps Windows 10 from malware in two aspects, namely, providing real time protection and scanning options. How to Fix Can’t Turn on Windows Defender on Windows 10? Windows Defender Not Turning on Overview:Īs a Microsoft virus protection line of Windows 10, Windows Defender has the unshirkable responsibility to prevent your PC or laptop from various malware.
