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Event 10016: The application-specific permission settings do not grant Local Launch permission for the COM Server application with CLSID {C97FCC79-E628-407D-AE68-A06AD6D8B4D1}

On Windows 7, you may have the following error stated in your eventlog:

Log Name: System
Source: Microsoft-Windows-DistributedCOM
Event ID: 10016
Level: Error
User: SYSTEM
Description: The application-specific permission settings do not grant Local Launch permission for the COM Server application with CLSID {C97FCC79-E628-407D-AE68-A06AD6D8B4D1} and APPID {344ED43D-D086-4961-86A6-1106F4ACAD9B} to the user NT AUTHORITY\SYSTEM SID (S-1-5-18) from address LocalHost (Using LRPC). This security permission can be modified using the Component Services administrative tool.

Event ID 10020: The machine wide Default Launch and Activation security descriptor is invalid

The following error may appear in your Eventlog. The error mostly occurs without notice.

Event Type: Error
Event Source: DCOM
Event Category: None
Event ID: 10020
Date:  30-12-2008
Time:  10:05:12
User:  %username%
Computer: %computername%
Description:
The machine wide Default Launch and Activation security descriptor is invalid. It contains Access Control Entries with permissions that are invalid. The requested action was therefore not performed. This security permission can be corrected using the Component Services administrative tool.