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What’s WindowsSandboxClient.exe (Windows Sandbox Client)? Is it safe or a virus?

WindowsSandboxClient.exe is a system process associated with the Windows Sandbox feature in Microsoft Windows. Windows Sandbox is a lightweight, isolated virtual environment designed for safely running and testing untrusted applications or files without affecting the host system. The executable acts as a client interface that helps manage the sandbox environment, facilitating the creation and operation of the secure, disposable instance. Once the sandbox is closed, all data and changes within it are permanently erased, ensuring no impact on the host. It is a legitimate Windows component and is typically found on systems where the Windows Sandbox feature is enabled.

Researched by Carl @ SpyShelter Labs

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More about WindowsSandboxClient.exe on WINDOWS

Who makes WindowsSandboxClient.exe (Windows Sandbox Client)?

We’ve found Microsoft Windows should be the publisher of WindowsSandboxClient.exe.

How do we know? Our SpyShelter cybersecurity labs focuses on monitoring different types of Windows PC executables and their behaviors for our popular SpyShelter Antispyware software. Learn more about us, and how our cybersecurity team studies Windows PC executables/processes.

What does it mean if someone is the publisher of a PC .exe (executable or process)?

The publisher of an executable is the entity responsible for its distribution and authenticity. Most processes/executables on your PC should be signed. The signature on the executable should have been verified through a third party whose job it is to make sure the entity is who it says it is. Find an unsigned executable? You should consider scanning any completely unsigned .exe on your PC.

Last updated: March 21, 2025

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Why should you trust us?

Our team at SpyShelter has been studying Windows PC executables for over 15 years, to help fight against spyware, malware, and other threats. SpyShelter has been featured in publications like The Register, PC Magazine, and many others. Now we’re working to share free, actionable, and easy to understand information about Windows executables (processes) with the world, to help as many people as possible keep their devices safe. Learn more about us on our "About SpyShelter” page.

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