Teach you to upgrade the .NET Framework 3.5.1

in Win8 Although the Win8 system is still in beta, many users who like to try new products have already started using Win8 and will use it as the main operating system. However, in the process of using Win8, many reactions can not be. NetFramework3.5.1 can not be upgraded, the system prompts encountered error 0x800F0906, resulting in a lot of software can not be used normally. Here's how to solve this problem.

First, open Win8 installation disk, find sourcessxs folder and copy it to the local hard disk, for example d: sourcessxs;

found Win8 installation disk sxs folder

open c: Windowssystem32 folder, find cmd.exe, right-click the file and select "run as administrator";

run as administrator cmd command line, type

And execute the following command: dism.exe/online/enable-feature/featurename:NetFX3/Source:d:sourcessxs.

wait for the command to complete the run and you're done!