Solution 3: Enable .NET Framework via "Turn Windows Features On or Off"
Sometimes the update folder gets "clogged." Clearing it forces Windows to start the download from scratch.
Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU
Note: Remember to change it back to 1 later if you are on a work network. Solution 5: Use the DISM Tool
If your computer is part of a corporate network, it might be looking for files on a local server (WSUS) that doesn't have them, instead of going to the official Windows Update site. Solution 1: Use the Windows Update Troubleshooter
If you are seeing 0x800f0952 specifically while trying to install .NET Framework 3.5, try the manual toggle:
Solution 3: Enable .NET Framework via "Turn Windows Features On or Off"
Sometimes the update folder gets "clogged." Clearing it forces Windows to start the download from scratch.
Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU
Note: Remember to change it back to 1 later if you are on a work network. Solution 5: Use the DISM Tool
If your computer is part of a corporate network, it might be looking for files on a local server (WSUS) that doesn't have them, instead of going to the official Windows Update site. Solution 1: Use the Windows Update Troubleshooter
If you are seeing 0x800f0952 specifically while trying to install .NET Framework 3.5, try the manual toggle: