Windows defender fails to start windows 8

When you go online, you will find several good security programs, but we highly recommend Auslogics Anti-Malware for many great reasons. For one, it catches threats and attacks that Windows Defender would miss. Needless to say, it will not conflict with your main anti-virus.

Some users reported that they had been able to fix the issue simply by installing the latest updates. When you keep your system updated, you can make sure that everything on your computer will run smoothly. In general, Windows 10 automatically downloads and installs updates in the background. However, it is possible for the system to miss an update or two. So, it is always best to manually check for updates by following the instructions below:. The system will automatically download them in the background.

You can restart your computer to install these updates. Thankfully, you can resolve this issue by running an SFC scan. To do this, simply follow the steps below:. Once the scan is complete, check if the issue has been resolved. Just follow the instructions below:. So, you have to locate the problematic entries, then remove or fix them. It is worth noting that this task can be tedious and complicated to perform manually.

Moreover, you must be extra cautious because even one mistake can damage your system. 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. Note: Installing Windows update may give rise to data loss, thus, you had better back up your important files before an update so that you can restore the computer to a previous state in case of accidents. Read More.

Tip: Windows failed to check for updates? Note: We strongly recommend you to back up Windows registry before modifying it to avoid system accidents. And enter the Services tab to enable all Microsoft services. Tip: In order to protect your PC well, you can take full advantage of its Schedule option to automatically back up your files or the Windows OS.

What to do if Windows Defender is not working? Why my Windows Defender is not updating? Next navigate to the location where Window Defender is installed. The Windows Defender Program will open. Next go back to the installation dialog then click on retry. The installation will finish then Windows Defender will start looking for updates.

The service will not start from "off" to "on" manually. I get error "Service has stopped. You can start the service manually or restart your computer, which will start the service. Going to "Services Maintenance manually clicking the Defender object "turn on" fails to "turn it on"".

This is , for me, a serious issue as my laptop is performing suddenly extremely slow with the latest IE9 and Google Earth applications! This issue is preventing me from scanning my pc for malware, etc.

Then open up the properties menu and click advanced, strip the inherited permission, and it should reset. Or you can remove all users, and have the permission from the parent object, expressed to the Folder, and subfolders. Work for me, and I have tried everything else. Justo to mention another possibility: what I've found is that AVG Antivirus stops the Windows Defender's service and won't let you start it.

Office Office Exchange Server. Not an IT pro? Resources for IT Professionals. Sign in. United States English. Ask a question. Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. Windows Server General Forum.

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