The Windows Update Medic Service (WaaSMedicSvc) is a background service introduced in Windows to repair Windows Update components so that the device can continue to receive updates. In highly controlled environments where administrators manage updates manually or via WSUS, this self-healing mechanism can interfere with update policies. This guide demonstrates how to completely disable the Windows Update Medic Service in Windows 11 using the Registry Editor.
Prerequisites
Disabling this service requires modifying the Windows Registry. Ensure you have administrative privileges and create a system restore point before making any changes.
Disable WaaSMedicSvc Using Registry Editor
Open the Registry Editor
Press the Windows Key + R, type regedit, and press Enter. Click Yes on the User Account Control (UAC) prompt.
Navigate to the Service Key
In the Registry Editor, navigate to the following path:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WaaSMedicSvcModify the Start Value
In the right pane, locate the DWORD value named Start. Double-click it.
Set to Disabled
Change the Value data to 4 (which stands for Disabled). Click OK to save the change.
Restart the System
Restart your computer for the changes to take effect. The Windows Update Medic Service will no longer run in the background.
Verify the Configuration
Open the Services console by typing services.msc in the Run dialog. Locate Windows Update Medic Service and confirm that its Startup Type is set to Disabled and its Service Status is Stopped.