NET Framework 4 Fatal Error


  1. synthc
    Posts : 20
    Windows 7 Ultimate x64 SP1
       New #1

    NET Framework 4 Fatal Error


    I'm trying to install NET Framework 4.0 and getting a fatal error.

    I've tried:

    1. Net Framework Cleanup Tool
    2. NetFx Setup Verifier
    3. Microsoft FixIt
    4. Windows 7 Repair Install
    5. SFC /scannow --> no problems
    6. Clean Boot
    7. Made sure Administrators, SYSTEM, and my personal account have proper permissions in the registry
    8. Disabled/re-enabled Framework 3.5
    9. Windows Installer Service is started and functional
    10. Looked for WOW64 in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msiserver --> doesn't exist
    11. Renamed Assembly in C:\Windows\Microsoft.NET
    12. Tried to give all accounts full permissions to the Microsoft.NET folder but got "Access Denied" errors (tried taking ownership of the folder)
    13. Windows Installer Cleanup Utility
    14. Made sure Framework 3.5 was selected in Windows Features
    15. Cleared %temp%

    Here is my setup log: https://skydrive.live.com/redir?resi...HO5tavtkaTLS4I
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  3. NoelDP
    Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       New #2

    Please follow the Windows Update Posting Instructions and post the requested data

    However, it looks to me from my (very) limited understanding of the install log, that the framework is partially installed - you should use the Cleanup tool to get rid of the dregs, then install .NET 4.5 instead.....
    .NET Framework Cleanup Tool User's Guide - Aaron Stebner's WebLog - Site Home - MSDN Blogs
    Download Microsoft .NET Framework 4.5 from Official Microsoft Download Centre
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  4. synthc
    Posts : 20
    Windows 7 Ultimate x64 SP1
    Thread Starter
       New #3

    Well I just tried installing net 4.5 and for some reason it worked (I had tried several times before and it failed every time).

    Not sure what exactly fixed it, but thanks.
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  6. NoelDP
    Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       New #4

    You're welcome!

    Good luck with it.
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