Cannot get any thing to upload to board

i am trying to upload anything to the board i get

avrdude: stk500_getsync(): not in sync: resp=0x30 avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51

i am using an Arduino Duemilanove and Windows 7. please help

Is the Duemilanove the selected Board?

Does anything here help... http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1187909552

You might try this:

http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1263685459

It worked for me.