Turn off Application Compatibility Engine: registry value DisableEngineComputerHKLM\Software\Policies\Microsoft\Windows\AppCompat
- Policy ID
- AppCompatTurnOffEngine
- Scope
- Computer Configuration
- Supported on
- At least Windows Server 2003
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Windows Components › Application Compatibility