Working with esp32 cam module. The code compiles well but there's an error when uploading the code to the board. "serial.serialutil.SerialException: could not open port 'COM3': WindowsError(5, 'Access is denied.') Failed to
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![could not open port COM4: [Error 5] Access is denied. : r/Baofeng](https://i.imgur.com/c4ZSr4Z.png "could not open port COM4: [Error 5] Access is denied. : r/Baofeng")
could not open port COM4: [Error 5] Access is denied. : r/Baofeng
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