Event ID - 4840

Event Id4840
SourceMicrosoft-Windows-Complus
DescriptionThe IObjectControl::Activate() method failed. The CLSID of the object is: %1%0
Event Information According to Microsoft :

Cause :

This event is logged when the IObjectControl::Activate() method failed.

Resolution :

Contact the application developer

The event message indicates that the error condition results from a problem in the application code. However, there is not enough information to provide a recommendation for resolution of the problem. Provide the entire event message to the application developer for debugging and fixing the application.

If the application is still running, recycle the process and then restart the application to resolve the error.

To perform these procedures, you must have membership in Administrators , or you must have been delegated the appropriate authority.

To recycle the process:
  1. Click Start , and then click Run .
  2. To open the Component Services snap-in, type comexp.msc , and then click OK . If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue .
  3. Click Component Services , click Computers , and then click My Computer .
  4. Under Running Processes , right-click the running process that you want to recycle, and then click Recycle .
To restart the application:
  1. In Component Services, under Component Services , click Computers , click My Computer , and then click COM+ Applications .
  2. Right-click the application that you want to restart, and then click Start .
If you continue to get this error, provide the entire event message to the application developer so that the developer can debug and fix the application.

Verify :

You can verify that your component is working properly by running the Component Services administrative tool and ensuring that the required properties for the component are set.

To perform the procedures, you must have membership in Administrators , or you must have been delegated the appropriate authority.

To open Component Services and verify that the component's required properties are set:
  1. Click Start , and then click Run .
  2. Type comexp.msc , and then click OK . If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue .
  3. To locate your application, click Component Services , click Computers , click My Computer , and then click COM+ Applications .
  4. Right-click the component name, and then click Properties .
  5. In the component properties dialog box, click each tab to verify that the required properties are set.
In addition, you can verify that the COM+ operating system component is installed and working properly.

To verify that COM+ is working properly:
  1. In the console tree of Component Services, click Services (Local) .
  2. Scroll through the list of service names to find the following services: COM+ Event System (optional), COM+ System Application, DCOM Server Process Launcher , and Remote Procedure Call (RPC) .
  3. Confirm that the status of each service is Started .
Reference LinksEvent ID 4840 from Source Microsoft-Windows-Complus

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