Serial port 'COM19' already in use

Hi all,

I've printed the output to the black screen. Hope someone can help.

Regards,
Wongster

Stable Library

Native lib Version = RXTX-2.1-7
Java lib Version = RXTX-2.1-7
Binary sketch size: 2556 bytes (of a 14336 byte maximum)
Error 0x5 at /home/bob/foo/rxtx-devel/build/../src/termios.c(860): Access is den
ied.

processing.app.SerialException: Serial port 'COM5' already in use. Try quiting
any programs that may be using it.
at processing.app.Serial.(Serial.java:140)
at processing.app.Serial.(Serial.java:72)
at processing.app.Uploader.flushSerialBuffer(Uploader.java:66)
at processing.app.AvrdudeUploader.uploadViaBootloader(AvrdudeUploader.ja
va:73)
at processing.app.AvrdudeUploader.uploadUsingPreferences(AvrdudeUploader
.java:48)
at processing.app.Sketch.upload(Sketch.java:1632)
at processing.app.Sketch.exportApplet(Sketch.java:1701)
at processing.app.Editor$41.run(Editor.java:2004)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)