Acx01000 Service Defaults in Windows 10
Audio KMDF Class Extension by Microsoft Corporation.
The Acx01000 service exists only in:
- Windows 10 Home 1903
- Windows 10 Pro 1903
- Windows 10 Education 1903
- Windows 10 Enterprise 1903
- Windows 10 Home 2004
- Windows 10 Pro 2004
- Windows 10 Education 2004
- Windows 10 Enterprise 2004
- Windows 10 Home 20H2
- Windows 10 Pro 20H2
- Windows 10 Education 20H2
- Windows 10 Enterprise 20H2
- Windows 10 Home 21H1
- Windows 10 Pro 21H1
- Windows 10 Education 21H1
- Windows 10 Enterprise 21H1
- Windows 10 Home 21H2
- Windows 10 Pro 21H2
- Windows 10 Education 21H2
- Windows 10 Enterprise 21H2
- Windows 10 Home 22H2
- Windows 10 Pro 22H2
- Windows 10 Education 22H2
- Windows 10 Enterprise 22H2
Default Settings
| Startup type: | Manual |
| Display name: | Acx01000 |
| Service name: | Acx01000 |
| Service type: | kernel |
| Error control: | normal |
| Group: | WdfLoadGroup |
| Path: | %SystemRoot%\system32\drivers\Acx01000.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Acx01000 |
Default Behavior
Acx01000 is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If Acx01000 fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the Acx01000 service has failed to start due to the error.
Restore Default Startup Configuration of Acx01000
1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config Acx01000 start= demand
3. Close the command window and restart the computer.
The Acx01000 service is using the Acx01000.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.