For a list of recent security intelligence updates, see Security intelligence updates for Microsoft Defender Antivirus and other Microsoft antimalware. Engine updates are included with security intelligence updates and are released on a monthly cadence. Microsoft Defender Antivirus requires monthly updates KB known as platform updates. For more information, see Manage the sources for Microsoft Defender Antivirus protection updates.
For information how to update or install the platform update, see Update for Windows Defender antimalware platform. Security intelligence update version: 1. After a new package version is released, support for the previous two versions is reduced to technical support only. Versions older than that are listed in this section, and are provided for technical upgrade support only. Affected machines appear to the customer as having not updated to the latest antimalware platform. When this update is installed, the device needs the jump package 4.
Platform and engine updates are provided on a monthly cadence. To be fully supported, keep current with the latest platform updates.
Our support structure is dynamic, evolving into two phases depending on the availability of the latest platform version:. Security and Critical Updates servicing phase - When running the latest platform version, you will be eligible to receive both Security and Critical updates to the anti-malware platform. Technical Support Only phase - After a new platform version is released, support for older versions N-2 will reduce to technical support only.
Platform versions older than N-2 will no longer be supported. If you are manually deploying Microsoft Defender Antivirus Platform Update, or if you are using a script or a non-Microsoft management product to deploy Microsoft Defender Antivirus Platform Update, make sure that version 4. The below table provides the Microsoft Defender Antivirus platform and engine versions that are shipped with the latest Windows 10 releases:.
For Windows 10 release information, see the Windows lifecycle fact sheet. Keeping your OS installation images up to date helps avoid a gap in protection.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services. Privacy policy. Microsoft Safety Scanner is a scan tool designed to find and remove malware from Windows computers. Simply download it and run a scan to find malware and try to reverse changes made by identified threats.
Download Microsoft Safety Scanner bit. The security intelligence update version of the Microsoft Safety Scanner matches the version described in this web page. Safety Scanner only scans when manually triggered and is available for use 10 days after being downloaded. Scans every file and program on your device. Custom scan. Scans only files and folders that you select. Microsoft Defender Offline scan. Uses the latest definitions to scan your device for the latest threats.
This happens after a restart, without loading Windows, so any persistent malware has a more difficult time hiding or defending itself. Run it when you are concerned that your device has been exposed to malware or a virus, or if you want to scan your device without being connected to the Internet. This will restart your device, so be sure to save files you may have open. Note: Scan options was called Run a new advanced scan in early versions of Windows Want to stop running real-time protection for a short while?
You can use the Real-time protection setting to turn it off temporarily; however, real-time protection will turn back on automatically after a short while to resume protecting your device. Provide your device with access to the latest threat definitions and threat behavior detection in the cloud.
This setting allows Microsoft Defender to get constantly updated improvements from Microsoft while you're connected to the internet. This will result in more accurately identifying, stopping, and fixing, threats. Microsoft will notify you if you need to send additional files, and alert you if a requested file contains personal information so you can decide whether or not you want to send that file or not.
If you're concerned about a file and want to make sure it was submitted for evaluation you can select Submit a sample manually to send us any file you want. Microsoft Defender Antivirus settings can occasionally get changed by malicious, or careless, apps or processes; or sometimes by unaware people.
With Tamper Protection turned on, important settings like real-time protection, can't be easily or accidentally turned off. Learn more about Tamper Protection. Use the Controlled folder access setting to manage which folders untrusted apps can make changes to.
You can also add additional apps to the trusted list so they can make changes in those folders. This is a powerful tool to make your files safer from ransomware.
When you turn on Controlled folder access, a lot of the folders you use most often will be protected by default.
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