COM+ System Application - Windows 7 Service
Manages the configuration and tracking of Component Object Model (COM)+-based components. If the service is stopped, most COM+-based components will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.
This service also exists in Windows 10, 11, 8, Vista and XP.
Startup Type
| Windows 7 edition | without SP | SP1 |
|---|---|---|
| Starter | Manual | Manual |
| Home Basic | Manual | Manual |
| Home Premium | Manual | Manual |
| Professional | Manual | Manual |
| Ultimate | Manual | Manual |
| Enterprise | Manual | Manual |
Default Properties
| Display name: | COM+ System Application |
| Service name: | COMSysApp |
| Type: | own |
| Path: | %WinDir%\system32\dllhost.exe /Processid:{02D4B3F1-FD88-11D1-960D-00805FC79235} |
| Error control: | normal |
| Object: | LocalSystem |
| Privileges: |
|
Default Behavior
The COM+ System Application service runs as LocalSystem in its own process. It does not share the executable file with other services. If the COM+ System Application fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the COMSysApp service has failed to start.
Dependencies
COM+ System Application will not start, if the following services are stopped or disabled:
Restore Default Startup Type of COM+ System Application
Automated Restore
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestoreCOMSystemApplicationWindows7.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 to save changes.
Note. Make sure that the dllhost.exe file exists in the %WinDir%\system32 folder. If this file is missing you can try to restore it from your Windows 7 installation media.