Try the following. For example, uncheck .NET Framework 4.7 from Windows Feature to remove it from your system. It may appear while installing .NET framework, running DISM… But the good news is you can fix this error. Error 0X800f081f usually occurs when Windows 10 can’t retrieve information necessary to install or enable the.NET Framework 3.5 on your PC. Here are detailed steps. Mount the ISO, or insert the installation media USB flash drive, for the current version you have installed. .NET Framework 3.5 is included in Win 10, so you couldn't install it from outside, no matter web installer or standalone installer. The installation process will take a few minutes to complete, depending on the speed of your connection. Aussi la même erreur puisse apparaître pendant l’installation de Microsoft.NET Framework 3.5, ils représentent les différents problèmes du système.Nous avons … Here, follow the address mentioned below on the left side. .Net FrameWork 3.5 là công cụ hỗ trợ người dùng Windows có thể chạy và sử dụng những phần mềm đặc thù. Here are two fixes you can try: Method 1: Configure Group PolicyMethod 2: Install .NET Framework 3.5 using DISM. Choose a download location for the Windows ISO file and click Save.. 7. Actually, this sort of error has 3 other error codes (0x800F0906, 0x800F0907, 0x800F0922) besides the 0x800f081f. Locate the Sources folder, open it up. Fix: Error 0x800f081f Occurs When Installing .NET Framework 3.5, Solution 1: Enable .NET 3.5 Windows 10 via DISM, Solution 2: Configure Group Policy via Local Group Policy Editor. Enter gpedit.msc in Run window and click on OK. This error will happen to multiples operating systems such as Windows 10/8/8.1, Windows Server 2012, etc. 4) Type “Dism /online /enable-feature /featurename:NetFx3 /All /Source::\sources\sxs /LimitAccess” and press Enter on your keyboard. Prachi Dani is a technical content writer who specializes in areas of science and technology. Users reported that the issue had occurred after they had enabled the.NET Framework through the Deployment Image Servicing and Management (DISM) tool, installation wizard, or Windows PowerShell commands. Installing .Net Framework Error: 0x800f080c Feature name netfx3 is unknown. We recommend Run the System file checker Utility which scans for missing, system files. Many Windows users are reporting it. Computer Configuration > Administrative Templates >System. Dism /online /enable-feature /featurename:NetFx3 /All /Source:[Drive]:\sources\sxs /LimitAccess. Right-click on the Start menu button and select Run. I found another solution that may be easier for some (a GUI solution, rather than a PS solution) and works for installing all Windows components, not just the .NET Framework: IF you run into this on a computer getting updates through WSUS, instead of directly from MS, then: change the registry key “UseWUServer” to 0 So, you may first check if the .NET Framework 3.5 is available in the Control Panel on Windows 10 Technical Preview and if available, you may enable it from the Control Panel to install it on the computer. He believes technology should bring users satisfaction, not annoyance, so he writes to help people overcome their tech troubles. Now, on the right side, look for Specify settings for optional component installation an… Fails with Error: 0x800f081f. Having writing articles about computer tech for a long time, I am rather experienced especially on the aspect of computer optimization, PC enhancement, as well as tech terms explanation. If it is not successful uninstall the KB’s related to .NET framework 3.5 and then re-install them. 3)  Right-click “Command Prompt” and select “Run as administrator“. Then, check .NET Framework 3.5 to see it passes the installation process. If this method works for you, you won’t see the error again. To enable the .NET Framework 3.5 feature using DISM: 1) Put the Windows installation media into your computer, or mount the Windows ISO image in your system. Based on investigation, this error happens due to Microsoft .NET Framework 3.5 incompatibilities. Step 4: Run Command Prompt as administrator from the search box, and then type the following command in the elevated window and hit Enter key. This tool troubleshoots common issues with the setup of Microsoft .NET Framework or with updates to Microsoft .NET Framework setup installation. If any of the Windows Updates are pending, install the Windows Update (many of the Windows Update comes with .NET framework systems that are installed when Windows is updated). Step 2: Double click the ISO file to mount it automatically. 5) Try installing .NET Framework 3.5 and see if the error disappears. Otherwise, you should try the method below. Step 3: In the Windows Features window, check the .NET Framework 3.5 (includes .NET 2.0 and 3.0) checkbox and click OK to save the changes. Step 1: Open the Run window by holding Win and R keys, and then type gpedit.msc and hit Enter to open your Local Group Policy Editor. There’s a whole of bunch applications If you are also bothered by this issue, this post is suitable for you. 2) Press the Windows logo key on your keyboard. This method has been proven to be useful for repairing this error. 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