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Problem Installing .Net Framework Version 4.0

Posted By:      Posted Date: September 14, 2010    Points: 0   Category :.NET Framework
I am trying to install .net 4 on my Vista business machine SP2. It however continually fails with "class not registered" error. No matter what i try and do i cannot get it to install. Has anyone come across this error before, was there a resolution? I need this to be able to install VS2010 on my machine.   Thankyou

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[10/20/2010, 23:56:16]Signature verification succeeded for netfx_Extended_x86.msi
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