System Event Notification Service - Windows 8 Service
Monitors system events and notifies subscribers to COM+ Event System of these events.
This service also exists in Windows 10, 11, 7, Vista and XP.
Startup Type
| Windows 8 edition | Windows 8 | Windows 8.1 | Windows 8.1 Update 1 |
|---|---|---|---|
| Core | Automatic | Automatic | Automatic |
| Pro | Automatic | Automatic | Automatic |
| Enterprise | Automatic | Automatic | Automatic |
Default Properties
| Display name: | System Event Notification Service |
| Service name: | SENS |
| Type: | share |
| Path: | %WinDir%\system32\svchost.exe -k netsvcs |
| File: | %WinDir%\System32\sens.dll |
| Error control: | normal |
| Group: | ProfSvc_Group |
| Object: | LocalSystem |
| Privileges: |
|
Default Behavior
The System Event Notification Service runs as LocalSystem in a shared process of svchost.exe. Other services might run in the same process. If System Event Notification Service fails to start, the error is logged. Windows 8 startup proceeds, but a message box is displayed informing you that the SENS service has failed to start.
Dependencies
System Event Notification Service won't start, if the COM+ Event System service is stopped or disabled.
If System Event Notification Service is stopped, the COM+ System Application service fails to start and initialize.
Restore Default Startup Type of System Event Notification Service
Automated Restore
1. Select your Windows 8 release and edition, and then click on the Download button below.
2. Save the RestoreSystemEventNotificationServiceWindows8.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer.
Note. Make sure that the sens.dll file exists in the %WinDir%\System32 folder. If this file is missing you can try to restore it from your Windows 8 installation media.