Windows 8 – Installing the .NET Framework 3.5

Windows 8 – Installing the .NET Framework 3.5

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If you’ve experienced this error message: “The following feature couldn’t be installed: .NET Framework 3.5 (includes .NET 2.0 and 3.0)


Then this is your solution (at the moment):

dism.exe /online /enable-feature /featurename:NetFX3 /Source:g:\sources\sxs

from an administrative CMD. “g” is the drive where you have your win8 installation files.


  • That worked a treat have been pulling my hair out

  • I'd been pulling my hair out over this for ages too.  That's why I just had to share the resolution!

  • Great solution. Additional points: you will need elevated command prompt to run this command. There is a handy manual on creating one here:

    Also, you will need to mount W8 iso. Luckily, windows 8 comes with mounting feature built-in (Magic disk was not compatible). Click on .iso in the windows explorer and choose "mount" under action.s

    The rest worked like a charm! many thanks!!

  • Dave! Thanks alot.

  • Thanks for sharing this........the only guide that works for me and also the simplest one........

  • I tried the above solution and I get the same error only through the cmd prompt now.

    It get's to 65.8%
    Error: Ox800f0906

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