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Press , type optionalfeatures.exe , and hit Enter. Find .NET Framework 3.5 (includes .NET 2.0 and 3.0) . Check the box and click OK .

Sometimes the update folder gets "clogged." Clearing it forces Windows to start the download from scratch. 0x800f0952 install

Before jumping into the fixes, it helps to understand why this happens. Usually, it's one of three things: Press , type optionalfeatures

Let the process finish (it may take 10-15 minutes) and then restart. Final Thoughts 0x800f0952 install

Solution 3: Enable .NET Framework via "Turn Windows Features On or Off"