UCM-UCSI ACPI Client (UcmUcsiAcpiClient) Service Defaults in Windows 10

UCM-UCSI ACPI Client Driver by Microsoft Corporation.

The UCM-UCSI ACPI Client service does not exist in:

Default Settings

Startup type: Manual
Display name:UCM-UCSI ACPI Client
Service name:UcmUcsiAcpiClient
Service type:kernel
Error control:normal
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UcmUcsiAcpiClient

Default Behavior

UCM-UCSI ACPI Client is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If UCM-UCSI ACPI Client fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the UcmUcsiAcpiClient service has failed to start due to the error.

Restore Default Startup Configuration of UCM-UCSI ACPI Client

1. Run the Command Prompt as an administrator.

2. Copy the command below, paste it into the command window and press ENTER:

sc config UcmUcsiAcpiClient start= demand

3. Close the command window and restart the computer.

The UcmUcsiAcpiClient service is using the UcmUcsiAcpiClient.sys file that is located in the C:\Windows\System32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.