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Update Control Desktop 4.2.0 Preview
Pre-release
Update Control Desktop 4.2.0 introduces a native GUI, more reliable watchdog removal, and a single EXE download.
Download Update-Control.exe below. It includes the GUI and repair components and extracts them automatically. Accept the administrator prompt. The EXE is unsigned, so Windows may show an unknown-publisher warning.
- Store Friendly: keeps automatic OS updates disabled by policy on supported editions while leaving Store download services available; no watchdog.
- Hard Block: disables shared update services and maintains one guardian task. Store downloads can fail in this mode.
- Restore Windows: disarms enforcement, removes recognized old/current watchdogs across every scheduler folder, and restores saved pre-block settings.
- Includes preserved baselines, rollback attempts, logs, diagnostics, a portable ZIP, screenshots and source/build documentation.
If you used the old script, select Restore Windows first, follow any restart message, then select Use Store Friendly for app installation.
Validation: the release commit's Windows CI covers controller/legacy regression tests, WPF interactions, real SYSTEM-task and temporary-service lifecycle tests, EXE extraction, and package integrity. These are actual Windows API tests on isolated resources.
Preview limitation: real Windows Update blocking, protected legacy repair, reboot behavior, and a Microsoft Store installation on a representative Windows 10/11 client remain unverified. No claim of perfect or permanent update blocking is made. Coverage and limits.
The EXE uses built-in Windows PowerShell and .NET Framework and caches its components under Program Files. The ZIP is available for manual extraction or the console fallback. SHA256SUMS.txt covers both downloads.