proplem during uploading

when i upload my code i got this message please help men

Sketch uses 930 bytes (2%) of program storage space. Maximum is 32,256 bytes.
Global variables use 9 bytes (0%) of dynamic memory, leaving 2,039 bytes for local variables. Maximum is 2,048 bytes.
avrdude: ser_open(): can’t open device “\.\COM1”: The system cannot find the file specified.

processing.app.debug.RunnerException
at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:129)
at processing.app.Sketch.upload(Sketch.java:1692)
at processing.app.Sketch.exportApplet(Sketch.java:1605)
at processing.app.Sketch.exportApplet(Sketch.java:1577)
at processing.app.Editor$DefaultExportHandler.run(Editor.java:2397)
at java.lang.Thread.run(Thread.java:619)
Caused by: processing.app.debug.RunnerException: Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.
at cc.arduino.packages.Uploader.executeUploadCommand(Uploader.java:113)
at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:127)
… 5 more

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