Windows 10: Error: ‘0x800F0950’, when trying to install .NET Framework 3.5

I have an app that needs .NET Framework 3.5 and despite using every available method known to man, it simply WILL NOT install on my very up-to-date Windows 10 system. Windows 10 Pro v 2004 build 19033.1 as at 6 August 2020


Every method of installation fails with the error code 0x800F0950


-From Add features in Control panel: Let Windows Update download the files for you - "The changes couldn't be completed" error code 0x800F0950

-Have tried DISM /Online /Enable-Feature /FeatureName:NetFx3 /All -DISM failed. No operation was performed.Error: 0x800f0950

-Have enabled 'Specify settings for optional component installation and component repair'in Gpedit.msc - made no difference.

-Have tried DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:d:\sources\sxs - it returns the error 'The source files could not be found.' No matter what source medium I use USB flashdrive, copying /sources directly to hard drive, etc I can SEE the sourcefiles listed as microsoft-windows-netfx3-ondemand-package~31bf3856ad364e35~amd64~~ and Microsoft-Windows-NetFx3-OnDemand-Package~31bf3856ad364e35~amd64~en-GB~both with a .cab extension.

- I even downloaded the .NET Framework 3.5 SP1 runtime supposed stand-alone installer, tried from several different sites and all they do is exactly the same thing as the control panel feature installer, try to download from the Internet, ending in the same error code 0x800F0950.


I am at my wits end. I really cannot understand why this should be so extremely difficult to achieve. Would be really grateful if anybody had a REAL solution to this persistent issue.



***Modified title from: .NET Framework 3.5 simply WILL NOT install!***

:)

 

.NET Framework 3.5 installation error: 0x800F0950

I had the same problem to install .net framework 3.5 with error 0x800f0950 , I updated the operating system , now .net framework installed without any error. Please update your windows.

 

.NET Framework 3.5 installation error: 0x800F0950

Hello, I get this error: .NET Framework 3.5 installation error: 0x800F0950

I'm running an HP, Windows 10 home.. Okey i had this situation.. At the beginning i tried to reset my windows cause i wanted to, It didn't work so i installed a new windows 10 home, Then after i while i noticed that every wasn't running correctly, Then after
i while i wanted to download .NET Framework 3.5, But that i got this error above, Someone help me please, In need !

Moved from Windows / Windows 10 / Windows update, recovery, & backup

 

.NET Framework 3.5 installation error: 0x800736B3

Hi,

Welcome to Microsoft Community and thank you for your interest in Windows 10.

I suggest you to follow the below steps to check whether the .NET Framework 3.5 has been installed or not.

• Press Windows+X and then select programs and features.
• On the left hand side click on the option “turn windows features on or off”.
• Check whether the “.NET Framework 3.5” has been checked or not.
• If not check then I suggest you to check it and then install it.

Hope this information was helpful and do let us know if you need further assistance. We will be glad to assist.