If you’re trying to install the .NET Framework 3.5 on Windows 10 and you get the error code 0x800F0950, it means that the installation files are corrupt. To fix this, you need to download the installation files again and restart the installation process.

Here’s how to do it:

1) Go to the Microsoft Download Center and download the offline installer for the .NET Framework 3.5.

2) Run the installer and choose the “Repair” option.

3) When the repair is finished, restart your computer and try to install the .NET Framework 3.5 again.

If you still can’t install the .NET Framework 3.5, you can try installing it from the Windows 10 installation media. To do this, follow these steps:

1) Insert the Windows 10 installation media.

2) Go to the “Sources” folder and open the “SxS” folder.

3) Copy the “F” folder from the “SxS” folder to your hard drive.

4) Go to the “F” folder and open the “Microsoft.NET Framework” folder.

5) Paste the “F” folder into the “Microsoft.NET Framework” folder.

6) Restart your computer and try to install the .NET Framework 3.5 again.

How to Fix Error 0x800F0950 .NET Framework 3.5 Installation

What Causes Error 0x800F0950 NET Framework 35 Installation

The Error 0x800F0950 NET Framework 3.5 installation error is caused by a missing or corrupt registry key. This key is required for the installation process to continue, and if it is missing, the process will fail. In order to fix this error, you will need to use a registry cleaner to repair the key and then try the installation again.

How to Resolve Error 0x800F0950 NET Framework 35 Installation

If you see the error 0x800F0950 when trying to install the .NET Framework 3.5, it means that a required component of the .NET Framework is not installed on your computer. To fix this, you need to install the missing component.

The most likely cause of this error is that the Windows Management Framework 3.0 is not installed on your computer. This component is required for the .NET Framework 3.5 to be installed correctly.

To install the Windows Management Framework 3.0, go to the Microsoft Download Center and download the appropriate package for your computer’s architecture (x86 or x64). Once the download is complete, run the installer and follow the instructions.

Once the Windows Management Framework 3.0 is installed, try to install the .NET Framework 3.5 again and it should work without any errors.

Workarounds for Error 0x800F0950 NET Framework 35 Installation

If you’re encountering the 0x800F0950 error when trying to install the .NET Framework 3.5 on Windows 8 or 8.1, it’s likely because of one of the following reasons:

The installation source for the .NET Framework 3.5 is unavailable
The required files for the .NET Framework 3.5 are corrupted
There are pending actions that need to be completed before the .NET Framework 3.5 can be installed

Here are some potential solutions that can help you fix the 0x800F0950 error and successfully install the .NET Framework 3.5 on Windows 8 or 8.1:

Solution 1: Use the DISM tool

If the installation source for the .NET Framework 3.5 is unavailable, you can use the Deployment Image Servicing and Management (DISM) tool to fix the issue. To do so:

Boot into your computer with a Windows 8.1 or 8 installation media.
Choose the language, time and currency format, and keyboard or input method that you’d like to use, and then click Next.
On the next screen, click the Repair your computer link.
On the Choose an option screen, click the Troubleshoot option.
Click the Command Prompt option.
In the Command Prompt window, type the following command and press Enter:
dism /online /enable-feature /featurename:NetFx3 /All /Source:D:\sources\sxs /LimitAccess

Note: Replace D:\ with the drive letter of your Windows 8 or 8.1 installation media.

Once the process is complete, restart your computer and try to install the .NET Framework 3.5 again.

Solution 2: Use the System Update Readiness tool

If the required files for the .NET Framework 3.5 are corrupted, you can use the System Update Readiness tool to fix the issue. To do so:

Download and install the System Update Readiness tool from Microsoft.
Run the System Update Readiness tool.
Once the scan is complete, try to install the .NET Framework 3.5 again.

Solution 3: Complete pending actions

If there are pending actions that need to be completed before the .NET Framework 3.5 can be installed, you can use the dism.exe /commit-tx switch to complete them. To do so:

Boot into your computer with a Windows 8.1 or 8 installation media.
Choose the language, time and currency format, and keyboard or input method that you’d like to use, and then click Next.
On the next screen, click the Repair your computer link.
On the Choose an option screen, click the Troubleshoot option.
Click the Command Prompt option.
In the Command Prompt window, type the following command and press Enter:
dism.exe /commit-tx

Once the process is complete, restart your computer and try to install the .NET Framework 3.5 again.

How to Prevent Error 0x800F0950 NET Framework 35 Installation

If you want to prevent error 0x800F0950 NET Framework 3.5 installation, you need to take some measures.

First, you need to check if your computer has the latest updates from Windows Update. If there are any updates available, install them and then try to install NET Framework 3.5 again.

If that doesn’t work, you can try to install NET Framework 3.5 from an offline installer. You can download the offline installer from Microsoft’s website.

Once you have downloaded the offline installer, double-click on it and follow the instructions. Make sure to select the option to install NET Framework 3.5 including the two sub-components:

– ASP.NET
– Windows Communication Foundation (WCF)

How to Fix Error 0x800F0950 .NET Framework 3.5 Installation