Error while installing Microsoft Framework 3.5 service pack 1 in windows 8.1
After successful installation of Windows 8.1 Pro in my laptop I was installing SQL Server 2014 Express and it got stuck showing following error
“Microsoft .NET framework 3.5 service pack 1 is required” . Image1

I have just downloaded Microsoft .NET framework 3.5 service pack 1 from this url and trying to install. https://www.microsoft.com/en-in/download/details.aspx?id=22
The download did not start and it stuck showing this (Image2) even if there is no internet issue. I was able to browse in that machine.

then I tried installing framework from the Windows 8.1 DVD. here is the steps
Steps to install framework using windows CD/DVD
Open command prompt as “run as administrator”
then run the following command without quote.
“Dism /online /enable-feature /featurename:NetFx3 /All /Source:F:\sources\sxs /LimitAccess”
here F is the DVD drive letter, you can change it as per the DVD drive letter in the laptop as shown in Image3

Now framework has been successfully installed. now you can resume the SQL Server 2014 Express after clicking Re Run.
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