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Incorrect Diagram is opened in Vista despite pointing to the correct diagram file.

Published date: 30 March 2020

Third party driver opens incorrect diagram and there needs to be a way to determine where it's opening the incorrect diagram from

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Third party driver for devices opens the wrong default device diagram.  The device opens up fine when manually linking it in Vista but not when selecting “Open from Meter Template”.  The diagrams and files are all in the appropriate folders \config\diagrams\ud\default

  1. First apply this
  2. If an incorrect diagram is still being opened, then there is specific tool used for troubleshooting that can tell you exactly what registry entries any program is trying to access.
  3. Download Procmon64.exe (
  4. Procmon is a tool that can tell you what registry entries any program is trying to access and the result
  5. Launch Procmon and stop capture (magnifying glass)
  1. Click on the filter button and add the following: Path contains \SOFTWARE\WOW6432Node\SchneiderElectric\Power Monitoring Expert\8.2\DeviceInfo and then click apply
Note: The software name and version number after the \Power Monitoring Expert\ will vary depending on the version of software. 
  1. Start the Capture
  1. Open Vista and try to open the diagram page with open diagram from meter template of the device diagram in question
  2. Go back to Procmon and stop the capture