Step 2: In the System Configuration interface, go to the General tab, choose Selective startup and uncheck Load startup items. Now, all of the possible ways to fix Windows Defender not turning on have been shown to you. If you think these ways are helpful, you can also share them on Twitter to let more people know. Click to tweet. In order to protect your computer against spyware, ransomware, adware, viruses and other threats, you can try another way that is to use MiniTool ShadowMaker to back up your computer.
In addition to backing up your important files as mentioned above , it can help you easily and effectively back up your Windows operating system, disk, and partition. If your system ever goes wrong, you can use the backup to restore it to a normal state. Additionally, it supports disk cloning , which helps you transfer all the content on a disk to another for the entire disk data backup.
For system disk cloning, the cloned drive can be used to boot the PC in case of a system crash. Are you interested in this backup software? Step 1: Run this free backup software, continue to use the Trial Edition and choose the local backup mode.
Step 2: After entering the Backup page, you can see this program will back up your Windows system by default since the system partitions and destination path are chosen. Of course, you can click the Source and Destination module to decide what you want to back up and where you need to save the image. Next, just click Back up Now button to execute the operation in Manage page. In addition, you can choose the entire system disk to create a hard drive image.
Or go to Tools page to use its Clone Disk feature to perform a disk cloning for backup. We have shown you solutions to fix the issue of Windows Defender not turning on; just try them one by one. To keep your PC safe, you should use the professional and reliable PC backup software, MiniTool ShadowMaker to back up the important files or Windows system automatically. If you have any other solution to repair Windows Defender or any question related to MiniTool software, please contact us via [email protected] or leave your idea in the comment part below.
Download Shadowmaker. Summary : Is your Windows Defender not turning on? Tip: Sometimes, SFC scan will fail to work with an error message. Sorry this didn't help. Thanks for your feedback. Your symptom indicates a problem with one of the "services" that are necessary for Defender. Ensure that you have already run MalwareBytes.
Search for "services" and select the Services App. Examine these services, to ensure that their. If the status of any of these is incorrect, and you cannot start them, please respond with. If all three of these services are running, you may have a Registry key that has been compromised. In this case, please open the Registry by searching for "regedit" and select "Run as Administrator".
In the right pane, ensure that the sub-key IsServiceRunning , is present. If you find that it is missing, it may be necessary to perform a Repair Upgrade, in order to retrieve the Key. We should find out first whether we can fix it instead. Can't remember what it said exactly. Any help is appreciated! This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. I have the same question Report abuse. Details required :.
Cancel Submit. Hi, I'm leaning myself now waaaaaaaaaaaay out of the window Cheers, J. How satisfied are you with this reply? Thanks for your feedback, it helps us improve the site. In reply to Jsssssssss's post on May 22, The running third-party services and programs may interrupt Windows, leading to Windows 11 Windows Defender not working.
To get rid of the trouble, you can try to perform a clean boot. Clean Boot vs. After reading this post, you can clearly know all the answers to these questions. Step 3: After that, click Disable all to disable all the services except Microsoft services. Step 5: Choose programs individually and click Disable to disable them to fix Windows Security not working in Windows Before you do, you had better back up your registry keys in Windows 11 to avoid system corruption due to mistaken operations.
Step 1: Type regedit to the search box and click Registry Editor. Step 3: Locate DisableAntiSpyware in the right pane. If Windows Security is not working in Windows 11, another solution you can try is to repair or reset this app by following the steps below.
How to reset Windows Security apps in Windows 11? If you are looking for the answer to this issue, this post is what you need. Step 3: Scroll down to find Windows Security , click the three-dot menu and choose Advanced options. Step 4: In the new window, go to the Reset section, click Repair to repair it. If this cannot work, click Reset to reset this app.
If all of these methods cannot fix Windows 11 Windows Defender not working, the last solution you can try is to reset your PC to its factory settings.
Then, choose an option based on your need and finish the resetting operation by following the instructions on the screen. To know more information about PC resetting or reinstallation, refer to this post - How to Reinstall Windows 11? Try 3 Simple Ways Here Now! Troubled by Windows Defender not turning on?
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