error ocours while uploading any code on arduino

every time i tell the IDE to upload the file, it says there was an error. leds 'L' and 'TX' flash on and off in a pattern. thing thing isn't working!!!!!!!!!!!!! :0 :0 pls help me, alberto

SPECS windows 8 32bit arduino uno trying out the 'color mixing lamp' project

What errors? Turn on verbose output in the preferences.

Where did you buy the Uno from? Have you verified that you selected the correct "board" in the board menu?