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Application using this process: Windows Features
Recommended: Scan your system for invalid registry entries.
What is optionalfeatures.exe doing on my computer?
Some programs and features included with Windows, such as Internet Information Services, must be turned on before you can use them. Certain other features are turned on by default, but you can turn them off if you don’t use them. optionalfeatures.exe is the process of Windows Features.
optionalfeatures.exe is a system process that is needed for your PC to work properly. It should not be removed. Check your system now to identify unused processes that are slowing down your computer.