It might be a driver/permission error; try ‘running the program as administrator’ and also re-install the drivers https://www.wch.cn/download/CH341SER_EXE.html and see if that helps
It might be a driver/permission error; try ‘running the program as administrator’ and also re-install the drivers https://www.wch.cn/download/CH341SER_EXE.html and see if that helps