Windows 10: Unable to install .NET Framework 3.5 on Windows 10

I am unable to install the .NET Framework 3.5 on my Windows 10 box. I tried enabling it through Programs and Features, I tried enabling and installing through DISM, I tried SFC /scannow. Everything is failing. Mostly I get error code 0x800736B3 saying that "The referenced assembly is not installed on your system". Sometimes I get Error 14003. I obviously need .NET due to many apps needing it to run. This is a brand new system. What can I try?

Thanks guys,
Peter

:)

 

unexpected error occurred while troubleshooting

Upgraded to 1607 but unable to get .Net framework 3.5 windows update as it is required , when tried to install .Net 3.5 framework.

Why windows update is required for installing .Net framework 3.5?

 

Ask about Including .net framework 3.5 on Windows 10 Installation

Dear Microsoft Corporation, i have a question about .net framework 3.5 . "Why .net framework 3.5 not include on Windows 10 instalation ?" I must install it after install windows 10 on my PC. And i have experience about this problem, in my country majority
windows user dont know what is .net framework . I hope microsoft hear me and windows 10 on next build included .net framework 3.5 after install windows 10, thanks.

 

https://msdn.microsoft.com/en-us/lib...vs.110%29.aspx

 

Thanks man. I've seen this doc and tried all methods but all failed. The error codes they have are different than mine.

 

Don't know if it makes a difference but, you could try invoking it from Settings►System►Apps & features►Manage optional features►Add a feature.

 

Can you define for me what you mean when you say: "A brand new system"

Is it a fresh installation of Windows 10, or a freshly upgraded Windows 10 from a previous version of Windows?
Is this a brand new computer that came preinstalled with Windows 10?



Hopefully I can help if I can understand exactly what state your OS is in.

 

It's a fresh install, not upgrade. The computer did not come with Windows 10, I installed it myself, wiping the existing Windows 7 install.

 

Thanks Edwin. Going through that, I only get different languages in optional features.

 

YW, a lot of times this gets installed by a software, how i usually get it on my system, game use it a lot too.

 

The apps I tried that need it don't actually include it, they only tell the system they need it which then launches the Windows installer. Btw, what does "YW" mean?

 

YW, Your Welcome ! A lot of times my games will require it and Windows downloads and installs it, happened for me after installing a game after the upgrade, done this on Windows 8.1 for me to.Saying the game did not actually have it either.

 

Maybe this will help??

http://winaero.com/blog/fix-net-fram...00736b3-14003/

 

To install .NET Framework 3.5 in Windows 10, do the following:

• Insert your Windows 10 DVD, or double click its ISO image, or insert your bootable flash drive with Windows 10, depending on what you have.
• Open ‘This PC’ in File Explorer and note the drive letter of the installation media you have inserted. In my case it is disk F:
• Now open an elevated command prompt and type the following command:

Dism /online /enable-feature /featurename:NetFX3 /All /Source:F:\sources\sxs /LimitAccess
Replace F: with your drive letter for Windows 10 installation media.
You are done! This will install .NET framework 3.5 in Windows 10.