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.NET Framework 3.5.1 Roll Installed Then Removed Manually. How to Reinstall?

Posted on 2014-10-07
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Last Modified: 2014-10-10
I am informed by the feature manager that I cannot remove 3.5.1 via the feature manager, but when I've removed it from programs and features the tick box remains.

Cannot untick / remove using features.
How do I reinstall .NET 3.5.1? This is a fresh build of windows so it's a shame to break it in this way :)

Is it safe to just run the web installer?
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Question by:tegenius
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5 Comments
 
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Experienced Member earned 2000 total points
ID: 40366271
Uncheck .NET 3.51, close, and restart the server.

When it comes back up, run .NETfx Verifier to see what is there and if it can fix it.

The .NET Framework Repair Tool can be found at the following locations:

http://support.microsoft.com/kb/2698555
http://go.microsoft.com/fwlink/?LinkID=246062

I use this and it has worked for others as well.
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Author Comment

by:tegenius
ID: 40367212
When I uncheck .net 3.5 it won't let me :-(

Wizard error
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LVL 97

Expert Comment

by:Experienced Member
ID: 40367218
Try the NETfx application I pointed to.

Also, I think you should have .NET 4.5 there as well.

You might try running System File Checker (SFC /SCANNOW) on your server
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LVL 97

Expert Comment

by:Experienced Member
ID: 40372758
@tegenius - Thank you and I was happy to help.
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Author Comment

by:tegenius
ID: 40372909
Cheers :) Tool worked fine. As for .NET 4, just ran the installer. Ta!
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