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Microsoft .NET Framework fails to install

By SomeRandomGuy
Dec 29, 2011
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  1. I'm not really sure where to post this, so I'll put it here and it can be moved if necessary.

    I have spent a long time recently installing and reinstalling the .NET Framework in order to play a game (Terraria), but it has never worked properly, giving me various errors. I have a log of the most recent install failure here.

    Can anybody help me?

    OS Version = 6.1.7601, Platform 2, Service Pack 1
    OS Description = Windows 7 - x64 Home Premium Edition Service Pack 1
    CommandLine = I:\248853e1b9917d70215c868228\\Setup.exe /x86 /x64
    TimeZone = GMT Standard Time
    Initial LCID = 1033
    Using Simultaneous Download and Install mechanism
    Operation: Installing
    Package Name = Microsoft .NET Framework 4 Setup
    Package Version = 4.0.30319
    User Experience Data Collection Policy: Disabled
    Number of applicable items: 11
    Exe (I:\248853e1b9917d70215c868228\SetupUtility.exe) succeeded.
    Exe Log File: dd_SetupUtility.txt
    ServiceControl operation succeeded!
    ServiceControl operation succeeded!
    Exe (I:\248853e1b9917d70215c868228\Windows6.1-KB958488-v6001-x64.msu) failed with 0x240006 - (null).
    Exe (I:\248853e1b9917d70215c868228\SetupUtility.exe) succeeded.
    Exe Log File: dd_SetupUtility.txt
    MSI (I:\248853e1b9917d70215c868228\netfx_Core_x64.msi) Installation failed. Msi Log: Microsoft .NET Framework 4 Setup_20111229_152948055-MSI_netfx_Core_x64.msi.txt
    Final Result: Installation failed with error code: (0x80070643), "Fatal error during installation. " (Elapsed time: 0 00:01:10).
  2. jobeard

    jobeard TS Ambassador Posts: 13,411   +315

    did you see these?

    Windows 7
    http://windows.microsoft.com/en-US/windows7/Windows-Update-error-80070643

    If you can't repair V4 then you'll need to uninstall and reinstall it.

    .NET Framework Setup Verification Tool User's Guide
    http://blogs.msdn.com/b/astebner/archive/2008/10/13/8999004.aspx

    Download dotnetfx_cleanup_tool.zip from the following link on the site:
    http://blogs.msdn.com/cfs-file.ashx...-90-44-93/dotnetfx_5F00_cleanup_5F00_tool.zip

    Downloads for Framework if required:
    http://msdn.microsoft.com/en-us/netframework/aa569263.aspx

    Note: Mailbag: What version of the .NET Framework is included in what version of the OS? http://blogs.msdn.com/b/astebner/ar...rk-is-included-in-what-version-of-the-os.aspx
  3. SomeRandomGuy

    SomeRandomGuy TS Rookie Topic Starter Posts: 16

    I don't get an error code (like in that first link). It just says it encounters a fatal error.

    It doesn't need to be uninstalled and reinstalled. It is already uninstalled, it just won't reinstall, whatever I try to do.
  4. SomeRandomGuy

    SomeRandomGuy TS Rookie Topic Starter Posts: 16

    Sorry, that error code is found in my log, yes...
  5. jobeard

    jobeard TS Ambassador Posts: 13,411   +315

    Download dotnetfx_cleanup_tool.zip from the following link on the site:
    http://blogs.msdn.com/cfs-file.ashx/..._5F00_tool.zip
  6. SomeRandomGuy

    SomeRandomGuy TS Rookie Topic Starter Posts: 16

    It didn't work, it still says it's installed after running it several times, although it doesn't appear in the Control Panel list of programs...I'd post a log but my internet for some reason won't let me do that...
  7. SomeRandomGuy

    SomeRandomGuy TS Rookie Topic Starter Posts: 16

    I just want to start again, it's all got completely messed up; and what's worse is that for some reason I can't post logs here, because the server times out.


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