Tech Savvy

optionalfeatures.exe: The Ultimate Guide to Windows Optional Features in 2026

If you’ve ever tried to enable Hyper-V, install the Windows Subsystem for Linux, or turn on .NET Framework, you’ve probably landed on optionalfeatures.exe without even knowing its name. This tool is built into every version of Windows and it controls which Windows features are active on your machine. This guide explains exactly what optionalfeatures.exe is,

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sandbox.exe: Safe Windows Process or Virus? Full Guide 2026

If you spotted sandbox.exe running on your Windows PC and you’re wondering whether it’s safe, a virus, or something you can close, this article gives you the full picture. Short answer: sandbox.exe is most often a legitimate Windows process tied to Windows Sandbox, a built-in virtualization feature in Windows 10 and 11 Pro and Enterprise

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