Windows 7 Cannot install Microsoft .netframework 3.5 SP1 on Windows 7

Discussion in 'Programming and Scripting' started by F1R3L4NC3, Feb 13, 2011.

  1. F1R3L4NC3

    F1R3L4NC3 New Member

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    I tried a lot of things for this. My common errors are to "Turn 3.5 SP1 in control panel" which it already is. And if I get a chance to use the recommended settings on the setup, I get an error and everything reinstalls. Please help!
     
  2. henrylar

    henrylar New Member

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    The steps to resolve are posted in the last comment of a posting in the .NET Framework Developer Center found here: Windows 7 & NET framework 3.5

    [Paraphrased]

    "In Windows 7, Vista, and Server 2008: The .NET framework is built-in, so to repair it, follow these steps:
    1. Click your Windows button.
    2. Type CMD, and then right click on the Command Prompt that shows up, and select 'Run as Administrator'.
    3. At the DOS Prompt, type 'sfc /scannow' and press Enter
    4. It may at some point ask you for your original installation files, which you will need to get off of the original Windows Installation source.
    5. You are done, this will have repaired any .NET framework problems up to 3.5, which is built-in to these systems, as well as any other issues that may have become corrupted."

    Regards,
    Henry
     

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