i have a genuino 101 made by intel and when i try uploading code to it it tells me the following message :
processing.app.debug.RunnerException
at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:141)
at cc.arduino.UploaderUtils.upload(UploaderUtils.java:78)
at processing.app.Sketch.upload(Sketch.java:1186)
at processing.app.Sketch.exportApplet(Sketch.java:1160)
at processing.app.Sketch.exportApplet(Sketch.java:1132)
at processing.app.Editor$DefaultExportHandler.run(Editor.java:2381)
at java.lang.Thread.run(Thread.java:745)
Caused by: processing.app.SerialException: Error touching serial port 'COM4'.
at processing.app.Serial.touchForCDCReset(Serial.java:87)
at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:130)
... 6 more
Caused by: jssc.SerialPortException: Port name - COM4; Method name - openPort(); Exception type - Port busy.
at jssc.SerialPort.openPort(SerialPort.java:164)
at processing.app.Serial.touchForCDCReset(Serial.java:81)
... 7 more