problem uploading to board

help please..

Arduino: 1.6.0 (Windows 7), Board: "Arduino Uno"

Sketch uses 3,276 bytes (10%) of program storage space. Maximum is 32,256 bytes.

Global variables use 214 bytes (10%) of dynamic memory, leaving 1,834 bytes for local variables. Maximum is 2,048 bytes.

avrdude: ser_open(): can't open device "\.\COM1": The system cannot find the file specified.

Problem uploading to board. See for suggestions.

This report would have more information with "Show verbose output during compilation" enabled in File > Preferences.

Have you tried the suggestions in