The Cummins INSITE Error 50005 is an internal program error that typically indicates the software is unable to communicate properly with the engine's Electronic Control Module (ECM) or that the local database has become corrupted.  Potential Causes 

If you encounter Error 50005, follow these steps to restore software functionality. 1. Refresh Your Licenses

Causes of Cummins Insite Error 50005

Resolution: Right-click the file or folder, select Properties, uncheck Read-Only, and click Save. 5. Hardware Interface Conflicts