Microsoft

.NET Framework 3.5 installation error: 0x800F0906, 0x800F081F, 0x800F0907. This problem occurs when you try to install the Microsoft .NET Framework 3.5 on a computer that is running Windows 8.1, Windows Server 2012 R2, Windows 8 or Windows Server 2012. This error code occurs because the computer cannot download the required files from Windows Update. This behavior can be caused by network, proxy, or firewall configurations or by network, proxy, or firewall failures. To resolve this problem, try to connect to the Microsoft Update website. If you cannot access this website, check your Internet connection, or contact the network administrator to determine whether there is a configuration that blocks access to the website.

This behavior can also be caused by a system administrator who configures the computer to use Windows Server Update Services (WSUS) instead of the Microsoft Windows Update server for servicing. To configure the Group Policy setting, follow these steps: To use Windows PowerShell, follow these steps: Insert the Windows installation media. Community. Getting Started with Office 2010. Office Help & How-To’s | Word, PowerPoint, Excel and Outlook Help. Outlook Web App.