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Error 0x800f0952 Free: The Ultimate Guide to Fixing .NET Framework Installation Failures (No Paid Software Needed)

optionalfeatures.exe

Before trying technical command-line fixes, ensure the standard toggle is working correctly. Press Win + R , type , and hit Enter. Find .NET Framework 3.5 (includes .NET 2.0 and 3.0) . Check the box and click OK .

• Installation of .NET Framework 3.5 stops at 70% or 90%.
• Windows Update history shows "Failed to install."
• You see the error in the Event Viewer under "Applications and Services Logs."

Once finished, try to install your feature again using: Dism /online /enable-feature /featurename:NetFx3 /All Method 4: Modify Group Policy Settings 0x800f0952 free