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MMWAVE-STUDIO: mmWave Studio 02.01.01.00 shows “Radar Studio Exception: Invalid file format” at startup, but still runs normally after clicking OK

Part Number: MMWAVE-STUDIO

I am using mmWave Studio 02.01.01.00 on Windows. When I launch the software, a pop-up appears with the message “Radar Studio Exception: Invalid file format”. The stack trace mentions System.Windows.Forms.RichTextBox.set_Rtf(String value) and related RichTextBox / RSTD UI functions. After I click OK, the software can still start and seems to work normally, but this exception appears every time during startup. I would like to know what may be causing this issue. Is it related to a corrupted configuration file, language/encoding compatibility, installation problem, or .NET/runtime environment? What steps do you recommend to diagnose and fix it?image.png