I can not upload my board!  HELP!!

I can not upload my board! HELP!!
error messages:
avrdude: stk500_getsync(): not in sync: resp=0x00
avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51

I can communicate with serial port on XP.
CHIP'S TYPE : ATMEGA8
I can not upload my board! HELP!!
error messages:
avrdude: stk500_getsync(): not in sync: resp=0x00
avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51

I can communicate with serial port on XP.
CHIP'S TYPE : ATMEGA8

Is your copy and paste button stuck?

Is your copy and paste button stuck?

Is your copy and paste button stuck?

Is your copy and paste button stuck?

Use the search tool on the forum and you will find loads of info on why that might be. There are loads of possibilities so I cannot help you before you have tried out some of the possible issues that you could find by searching.

Mowcius