not able to upload my first sketch

hi friends i m new to arduino i m facing some error like this

avrdude: stk500_getsync(): not in sync: resp=0x00 avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51

please help me

thanx

There is a whole section on troubleshooting on the Arduino site:

http://arduino.cc/en/Guide/Troubleshooting

Have you tried any of these steps?

What OS are you using? Which version of the IDE? Which board? Which sketch?

And, double posting is not approved of here. Remove one of your posts on this same topic.