This video tutorial is about "How to delete - " Unable to delete all specified values in Registry Editor " | Regedit ". And definitely back up the Registry (and your computer!) The tamper protection password cannot be obtained. You must have appropriate admin permissions on your machine to do change security settings, such as tamper protection. I cannot modify the Windows Defender Service in any way, I even tried running the CMD with the System account using PsExec but I always get access denied. For example, you can search on tamper, as shown in the following image: In the results, you can select Turn on Tamper Protection to learn more and turn it on. Welcome to Microsoft Defender for Endpoint, the new name for Microsoft Defender Advanced Threat Protection. Windows 10 OS 1709, 1803, 1809, or later together with Microsoft Defender for Endpoint. In Run, type regedit.exe then click the OK button. If you are using Windows 10 OS 1709, 1803, or 1809, you won't see Tamper Protection in the Windows Security app. Assign the profile to one or more groups. Click Start followed by Run then type services.msc 3. You likely won’t run into protected keys that often when editing the Registry. sometimes with running Registry editor as Administrator,it won't work every time,as Windows Will automatically restrict us when it knows we are changing its key components. Bad actors like to disable your security features to get easier access to your data, to install malware, or to otherwise exploit your data, identity, and devices. Related information 3. According to Microsoft, Tamper Protection ” helps prevent malicious apps from changing important Windows Defender Antivirus settings, including real-time protection and cloud-delivered protection.”In other words, it makes it more difficult for malicious software running on your PC to disable real-time antivirus protection and other features. Use the Get-MpComputerStatus PowerShell cmdlet. If you’ve never worked with the Registry before, consider reading about how to use the Registry Editor before you get started. He's authored or co-authored over 30 computer-related books in more than a dozen languages for publishers like Microsoft Press, O'Reilly, and Osborne/McGraw-Hill. We will never point you to any hacks that we haven’t tested ourselves, but it still pays to be careful. 2. We'll be updating names in products and in the docs in the near future. The procedure can be used to extend tamper protection to devices running Windows 10 and Windows Server 2019. Update (October 14, 2019): Tamper protection is now generally available for Microsoft Defender ATP customers and enabled by default for home users We are committed to making our solutions resistant to attacks and continuously working towards raising the bar in security. Click Start, and start typing Defender. How to recover a tamper protected system 2. If you are using Configuration Manager, version 2006, with tenant attach, tamper protection can be extended to Windows Server 2019. Devices that are onboarded to Microsoft Defender for Endpoint will have Microsoft Defender Antivirus running in passive mode. Set the Startup type to Disabled then click the OK button. More details about Windows Defender Tamper Protection. Enhanced Tamper Protection is now disabled. In Registry Editor, right-click the key that you can’t edit (or the key that contains the value you can’t edit) and then choose “Permissions” from the context menu. Re: Cannot access registry editor - regedit.exe Have you run a anti virus / malware check on your computer. In Registry Editor, right-click the key that you can’t edit (or the key that contains the value you can’t edit) and then choose “Permissions” from the context menu. With tamper protection, malicious apps are prevented from taking actions such as: Tamper protection essentially locks Microsoft Defender Antivirus and prevents your security settings from being changed through apps and methods such as: Tamper protection doesn't prevent you from viewing your security settings. How-To Geek is where you turn when you want experts to explain technology. Method 2: Disable Registry Editor Using Registry Trick. How to Gain Full Permissions to Edit Protected Registry Keys, How to Change the Video Playback Speed on Netflix, How to Copy Nintendo Switch Screenshots to a Mac Over USB, Why Do Keyboards Have a Windows Key?