How do I fix NET Framework 3.5 Error code: 0x800F0916? This happend in installation. Windows 11

Question

Hi guys, I have a problem installing NET Framework 3.5 on my windows 11 machine.

The error says:

"net framework 3.5 The changes colund't be completed. Please reboot your computer and try again.

Error code: 0x800F0916"

I've tryed to search online but I didn't find anything.

Answer 1

Hello,  

Try the DISM method to enable .NET Framework 3.5 on your system. 

-Download Windows 11 ISO file.

-Mount it to DVD drive.

-Go to sources > sxs folder.

-Copy sxs folder to C:\Temp.

-Run following command in admin Windows PowerShell:

dism.exe /online /enable-feature /featurename:NetFX3 /All /Source:c:\temp\sxs /LimitAccess 

Please refer following step-by-step guide: 

https://www.kapilarya.com/how-to-enable-net-framework-3-5-in-windows-11

Let us know if this helps! 

Note: Included link in this reply refers to blog post by a trusted Microsoft MVP.

Answer 2

Hi, good day!

Please try to run SFC and DISM to check for any system errors and corrupted files. https://support.microsoft.com/windows/using-system-file-checker-in-windows-365e0031-36b1-6031-f804-8fd86e0ef4ca

After that, please try to Turn on .NET Framework 3.5 in Windows Features

I look forward to receiving your update and I'm willing to collaborate with you till we resolve the issue. Do keep me informed by clicking "Add comment" below.