com11 already in use tried various solutions on differn pages help

i recently purchased an arduino clone with an atmega328 and FT232R.
intialy i had an incompatible driver so i followed the forum page http://forum.arduino.cc/index.php/topic,74368.0.html
and my pc and arduino ide began to detect it.now wheni ever i try to upload i get an error saying the com 11 already in use ichecked this thing up in process explorer and didnt find any such app

heres the details i found in the black thing
im very new to arduino so try helping in the simplest posible way
thank you in advance

Binary sketch size: 1,316 bytes (of a 30,720 byte maximum)
processing.app.SerialException: Serial port ‘COM11’ already in use. Try quiting any programs that may be using it.
at processing.app.Serial.(Serial.java:171)
at processing.app.Serial.(Serial.java:77)
at processing.app.debug.Uploader.flushSerialBuffer(Uploader.java:77)
at processing.app.debug.AvrdudeUploader.uploadViaBootloader(AvrdudeUploader.java:175)
at processing.app.debug.AvrdudeUploader.uploadUsingPreferences(AvrdudeUploader.java:67)
at processing.app.Sketch.upload(Sketch.java:1671)
at processing.app.Sketch.exportApplet(Sketch.java:1627)
at processing.app.Sketch.exportApplet(Sketch.java:1599)
at processing.app.Editor$DefaultExportHandler.run(Editor.java:2380)
at java.lang.Thread.run(Thread.java:619)
processing.app.debug.RunnerException: Serial port ‘COM11’ already in use. Try quiting any programs that may be using it.
at processing.app.debug.Uploader.flushSerialBuffer(Uploader.java:101)
at processing.app.debug.AvrdudeUploader.uploadViaBootloader(AvrdudeUploader.java:175)
at processing.app.debug.AvrdudeUploader.uploadUsingPreferences(AvrdudeUploader.java:67)
at processing.app.Sketch.upload(Sketch.java:1671)
at processing.app.Sketch.exportApplet(Sketch.java:1627)
at processing.app.Sketch.exportApplet(Sketch.java:1599)
at processing.app.Editor$DefaultExportHandler.run(Editor.java:2380)
at java.lang.Thread.run(Thread.java:619)
^^ ^^