Microsoft continually updates security intelligence in antimalware products to cover the latest threats and to constantly tweak detection logic, enhancing the ability of Microsoft Defender Antivirus and other Microsoft antimalware solutions to accurately identify threats. This security intelligence works directly with cloud-based protection to deliver fast and powerful AI-enhanced, next-generation protection. Microsoft security intelligence updates include software that incorporates material from third parties.

Third-party notices and information. Automatic updates. To help ensure your antimalware solution detects the latest threats, get updates automatically as part of Windows Update. If you are having problems with Windows Update, use the troubleshooter. If you don’t already use Microsoft Defender Antivirus, learn how to turn it on. Trigger an update. A manually triggered update immediately downloads and applies the latest security intelligence. This process might also address problems with automatic updates.

Microsoft Defender Antivirus and other Microsoft antimalware solutions provide a way to manually trigger an update. Enterprise administrators can also push updates to devices in their network. To clear the current cache and trigger an update, use a batch script that runs the following commands as an administrator:. Manually download the update. Latest security intelligence update. Tip: If you only want to scan a specific type of file, you can click the Scan Settings icon in the left panel of the main UI and choose the file types you want to scan.

If your computer has problems or you reinstalled your OS, you may need a professional disk partition manager to repartition the hard disk or manage the hard drives from other aspects. MiniTool Partition Wizard is a popular free hard drive partition manager for Windows. It lets you manage hard drives and partitions from all aspects. For partition management, you can use it to create, delete, extend, resize, split, merge, format, wipe partitions, convert partition format, check file system errors, change the drive letter, and more.

This disk partition manager is extremely easy to use and fulfills all your hard disk management needs. It is free and clean.

You can use it to easily create a system image backup of your Windows OS and restore your OS from the backups when needed. As a professional PC backup application, you can also use it to back up any files on your computer at a fast speed.

You can easily select files, folders, or partitions to back up to external hard drives or USB flash drives. You can even select the whole disk content to back up. Besides, it also offers another backup module: File Sync. You can easily sync data to the target device to make a backup. Many other backup features are provided, e.

Click to Tweet. Some useful free Windows tools are offered to help you with data recovery, system and data backup, and disk partition management. Hope it helps. If you have any problems with using MiniTool Software products, you can contact [email protected]. Alisa is a professional English editor with 4-year experience. Through her articles, users can always easily get related problems solved and find what they want.

In spare time, she likes basketball, badminton, tennis, cycling, running, and singing. She is very funny and energetic in life, and always brings friends lots of laughs. Download Power Data Recovery. Facebook Twitter Linkedin Reddit. About The Author.

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Windows defender download windows 11

 

Manually download the update. Latest security intelligence update. You need to download different security intelligence files for different products and platforms. Select the version that matches your Windows operating system or the environment where you will apply the update. The links point to an executable file named mpam-fe.

Simply launch the file to manually install the latest security intelligence. Microsoft Defender scans apps and files on your device to watch for possible threats. To do that, it needs to be able to access those files. We only use that permission to look for malicious apps, a process that happens entirely on your device. No information about your apps or files is sent to Microsoft. If you want Microsoft Defender to tell you if we find a threat, you’ll need to allow us to send you notifications on your device.

Note: If you already allowed Microsoft Defender to run in the background for web protection, you won’t be asked for this permission again. Protecting your device is a full-time job, but you probably want to use your device for other things, like texting, gaming, work, and entertainment.

By allowing Microsoft Defender to run in the background, you allow us to help keep you safer all the time. Finally, Microsoft Defender will run an initial scan of your device to see if there are threats already on it. This scan usually only takes a minute or two. If that initial scan finds any threats Microsoft Defender will notify you and help you remove them.

When you first sign into Microsoft Defender on iOS, we’ll walk you through a few easy steps that to set up web protection. During this process, we’ll ask you to give Defender permission to do two things: set up a local virtual private network VPN and allow notifications. Due to the built-in security settings in iOS, other apps aren’t able to see the address URL an app is trying to open, including those being opened in the web browser. To make sure the site you’re going to isn’t known to be dangerous, Defender needs to be able to see the address.

To do that, we set up a local VPN. It’s called a local VPN because it never leaves your device—it’s just a connection between your browser and Microsoft Defender running on your device.

If you want to download Microsoft Defender for Android, you can open the Play Store on your device, search for Microsoft Defender , and tap the Instal l button to download and install Microsoft Defender for your Android phone or tablet. If you download and install Microsoft Defender from Microsoft Store or other third-party websites, you can open Control Panel on Windows , right-click the Microsoft Defender app and select Uninstall to remove it from your computer.

After you uninstall Windows Defender, you can follow the instructions above to reinstall Windows Defender if you want. Also learn how to download documents from Google Docs on a computer or mobile.

Fix 2. Update Windows system. You can follow the guide above to update your Windows 10 or 11 OS to see if Windows Security can work normally again. Fix 3. Run SFC scan. If Windows Defender is not working well on your computer, you can follow the operation below to reset the app settings to default to see if it helps. Fix 6. Empower and protect Stay connected with your loved ones, develop stronger safety habits, and create a safer online space with the Microsoft Family Safety app.

Learn more. Say goodbye to passwords with Windows Hello Windows Hello allows for more secure and personal sign-ins with biometrics, like your face or fingerprint. Facial recognition Face scans are faster and more convenient.

Fingerprint Fingerprint ID data is encrypted. Microsoft Edge helps keep your data yours Tracking Prevention gives you more control over how websites track your data.

Your digital life—secured OneDrive keeps your files backed up and protected with ransomware detection and file recovery options. Learn how to turn Windows Defender on and off for specific directions.

Not really. While Windows Defender provides basic protection from threats, it’s no substitute for third-party antivirus software. When you visit the site, Dotdash Meredith and its partners may store or retrieve information on your browser, mostly in the form of cookies.

Cookies collect information about your preferences and your devices and are used to make the site work as you expect it to, to understand how you interact with the site, and to show advertisements that are targeted to your interests. You can find out more about our use, change your default settings, and withdraw your consent at any time with effect for the future by visiting Cookies Settings , which can also be found in the footer of the site.

By Tim Fisher. Tim Fisher. Tim Fisher has more than 30 years’ of professional technology experience.

 

Windows Defender on Windows 11 – Microsoft Community.Windows Defender on Windows 11

 

Open Windows Security in Windows And, for your info, the Insider forum is here: Windows Insider Program. The Virus and Malware forum will be retired on December Learn More. December 15, The Virus and Malware forum will be retired on December Choose where you want to search below Search Search the Community. 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. DaveM Independent Advisor. How satisfied are you with this reply? Thanks for your feedback, it helps us improve the site. If you are having problems with Windows Update, use the troubleshooter. If you don’t already use Microsoft Defender Antivirus, learn how to turn it on.

Trigger an update. A manually triggered update immediately downloads and applies the latest security intelligence. This process might also address problems with automatic updates.

Microsoft Defender Antivirus and other Microsoft antimalware solutions provide a way to manually trigger an update. Enterprise administrators can also push updates to devices in their network. To clear the current cache and trigger an update, use a batch script that runs the following commands as an administrator:. Manually download the update. Latest security intelligence update. You need to download different security intelligence files for different products and platforms.

Select the version that matches your Windows operating system or the environment where you will apply the update. The links point to an executable file named mpam-fe. Simply launch the file to manually install the latest security intelligence. Customers are encouraged to migrate to System Center Endpoint Protection. For more information, visit the Microsoft support lifecycle website.