WinUtil Update Adds Windows 11 ISO Creator and WPF Toggle

05 Mar 2026

The latest version 26.03.03 of WinUtil, a Windows customization tool, introduces a Windows 11 ISO Creator and a WPF toggle to improve Modern Standby on Intel-based Windows 11 devices.

New Features in WinUtil

The update includes a Windows 11 ISO Creator, simplifying the process of creating installation media. Additionally, a new WPF toggle is designed to optimize Modern Standby by disabling network connectivity, addressing conflicts with S0ix power states on newer Intel systems.

Modern Standby Enhancements

Modern Standby, which replaces the older S3 sleep model, keeps systems semi-active for tasks like email sync and updates. The WPF toggle helps reduce battery drain and overheating by limiting network activity during standby, particularly on laptops lacking S3 sleep and relying on S0ix idle or S4 hibernate.

Additional Improvements

The release also includes Unite preferences, NoUI mode, concurrency edits, and various bug fixes such as improvements to the Win11 creator USB and log fixes. The full changelog is available on the project's GitHub repository.

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