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I built a new pc which I use as a flight simulator. On my old PC I had ArduinoIDE for programming a pro micro as well as a teensy 4.1 using the teensyduino library. I installed all the necessary libraries and can make revisions to the code for the Teensy and successfully upload them. However when I try to upload anything to the arduino I get the above mentioned error. The old pc could program the arduino without a problem.

The arduino is showing up in device manager and it disappears when the usb cable is unplugged. The correct port is chosen in the tools menu and I can get the board info. I just can upload it to the board. Still using windows 10 pro, the same OS as on the previous pc.

Running the arduino IDE (v2.1.0) as admin does not help.

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  • Are you sure the port number is correct and not open by another program?
    – PMF
    Commented Apr 20, 2023 at 9:26
  • using usbtreeview.exe shows me the same info as device manager. The arduino is seen on com 6. I could post the output of usbtreeview but it exceeds what I can do in a comment and it is ugly. I just freshly booted this pc with only the arduino a keyboard and mouse as well as a hub connected.
    – aquagremlin
    Commented Apr 20, 2023 at 12:33
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    Can you open the console window? Or does that print the same error?
    – PMF
    Commented Apr 20, 2023 at 13:32
  • Please take the tour and read "How to Ask" to learn how this site works. This is not a forum. Therefore, you do not add new information or clarification in a comment. Instead, edit your question, and you have all features available, space and formatting.
    – the busybee
    Commented Apr 20, 2023 at 14:58

1 Answer 1

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Installing Arduino 1.8.19 solved the problem. I guess v2.1.0 has some code that trips over itself.

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