KB489585: “The object invoked has disconnected from its clients” automation error is seen when editing a Report Services Document in Developer

Symptom:

When editing a Report Services Document (RSD) in Developer, the following error is seen. The error is most seen when the Report Services Document contains a graph.

Automation error
The object invoked has disconnected from its clients.

Steps to Reproduce:

1. Create a Report Services Document containing a graph.
2. Save the graph.
3. Edit the Report Services Document in Developer.
4. Notice the error.
   

Cause:

This error is caused by the Developer installation being in an inconsistent state.

Solution:

Modify the registry with following steps:

1. Close Developer.
2. Open regedit.exe.
3. Delete the following registry key (the folder):
   HKEYCURRENTUSER\SOFTWARE\MicroStrategy\DSS Agent
4. Re-run Developer as Administrator.