COM+ System Application - Windows XP 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, 7, 8 and Vista.
Startup Type
| Windows XP edition | without SP | SP1 | SP2 | SP3 |
|---|---|---|---|---|
| Home | Manual | Manual | Manual | Manual |
| Professional | Manual | Manual | 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 |
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 XP 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 Remote Procedure Call (RPC) service is stopped or disabled.
Restore Default Startup Type of COM+ System Application
Automated Restore
1. Select your Windows XP edition and Service Pack, and then click on the Download button below.
2. Save the RestoreCOMSystemApplicationWindowsXP.bat file to any folder on your hard drive.
3. Run the downloaded batch file.
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 XP installation media.