.net Framework 3.5 installation failed with error code 0x800f081f

Categories: Windows Server

If this error code (0x800f081f) appear when you try to install .net Framework 3.5 on Windows OS, below you can find the solution : Open Command Prompt (cmd run as administrator) Insert the CD or Open ISO Image of Windows OS (Eg. in E:\ , replace the correct path in “/source:”)