cannot upload to my arduino

hi there
cannot upload to my arduino comes up with this fault code
avrdude: stk500_paged_write(): (a) protocol error, expect=0x14, resp=0x64
avrdude: failed to write flash memory, rc=-4
avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51

im running windows xp and the board is arduino duemilanove and i have not got anything plugged into the board at all
i have had it running on a previous computer before
any ideas???

http://www.google.com/search?hl=en&domains=http%3A%2F%2Fwww.arduino.cc&sitesearch=http%3A%2F%2Fwww.arduino.cc%2Fcgi-bin%2Fyabb2%2F&q=avrdude%3A+stk500_paged_write()%3A+(a)+protocol+error%2C+expect%3D0x14%2C+resp%3D0x64&btnG=Search&sitesearch=http%3A%2F%2Fwww.arduino.cc&aq=f&aqi=&aql=&oq=&gs_rfai=

there is 6 pages of threads with that exact same error in them, good luck

hi again

i have had more of a look around but still cannot seem to find any information specific to my problem could anyone help it would be much aprecciated

thanks Joe

A. Why is this a poll?
B. Look up your error number in google…

i have done but haven't managed to find any information that i havent tried yet lol

Did you compile first? I didn't compile and got an error.

just tried that still no different

thanks though