1. Open Inspect application.
2. Open Task Manager and find Inspect.exe and right click on it and click Open File Location.

3. Find the Inspect.exe.config within the location you have just open.
4. Open the Inspect.exe.config in notepad
5. Find the key "InspectMobileServicePort" and set the value for it. Ex: 591 or 3477 for the port number.

7. Save the Inspect.exe.config file.
8. Close Inspect application and re-run it.