Hi! I have a problem with my Arduino, it's a Arduino Duemilanove ATMEGA328 and it's the first time I use it with Windows 8. Everyting seems right, the COM appears and it looks like it's perfectly installed, the problem comes when it's time to upload the program to the Arduino.
Just after it's done compiling this two errors appear:
avrdude: stk500_getsync () : not in sync: resp=0x00
avrdude: stk500_disable () : protocol error, expect=0x14, resp=0x51