Return to the Services Manager, right-click the Windows Update service and select “Start” to restart the service. Select all files in the DataStore folder and delete them. Windows 10 activation is not required to get Windows updates. I think Windows 11 will also follow the same experience. I don’t think Windows updates for Windows 11 require activation of Windows. However, Windows 11 activation is required for background/wallpaper change and some other features.

  • You can enable the real-time protection by Windows defender again by following the above steps and set the Real-time protection toggle switch to turn on.
  • Another best way is to install a third-party AV solution like Kaspersky or Norton to fulfill your needs.
  • Once you have installed the update, you can enable the feature back on.

This post shows how to recovery antivirus deleted files with the best free file recovery software – MiniTool Power Data Recovery. You have said you cant disable defender with the group policy/registry any more? Well i still can without issue, and i have the most up to date anti-malware engine running. I know others who have tried out Windows 11, they can still disable defender using these. It detects a harmful file or program and deletes it before it can harm to the computer. Microsoft made this antivirus by keeping in mind every aspect of user security.

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However, there are times when we need to temporarily turn off Windows Defender, such as to download a certain document through Microsoft Edge, or speed up USB transfer. Besides, if you have made your mind to fully move to a third-party antivirus, you may also need to permanently disable the in-built antivirus in Windows 10. Even though this sounds like a very good basic protection mechanism, there may times when you would want to disable Windows Security permanently . Microsoft’s Windows Defender comes installed on all the Windows 10 PCs and it does a pretty good job at protecting the users from malware and viruses. However, if you’re one of the people who prefer a third-party anti-virus software or don’t use Windows Defender then there is some bad news for you.

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This error can also occur if the System Reserved partition on your hard drive is full or not large enough. A third party software tool can help you resize your partition.

Fixing the bug comes down to editing a registry key, albeit as you’ll figure out in just a few seconds, this might not be your favorite cup of tea. This update comes with a welcome set of improvements, and it also resolves a problem breaking down Windows Sandbox, an issue that Microsoft acknowledged back in May.

After the Store reset process, restart your PC and check whether the issue is fixed or not. Go to the Start menu and enter Defender in the search box.

An outdated Windows operating system may cause the issue of Windows Defender not turning on. Some users reported that they had been able to fix the issue simply by installing the latest Windows update – latest signature updates are necessary for Windows Defender to keep your PC secure. SFC, known as System File Checker, is a utility in Windows that allows you to scan for corruptions in Windows system files and restore them.

After these changes are brought into effect, the issue of Windows Defender not working due to the group policy being turned off should be solved, and you can run it to protect your PC. You must be eager to know the way to recover lost files after Windows update if you find needed files disappear after the update is finished. Once this service is restarted, you can check if the issue -Windows Defender not starting is solved.