Error while burning bootloader

I am trying to burning bootloader into blink Atmega328P-PU but every time it show Error??
Some time this show this message:

Arduino: 1.6.5 (Windows 7), Board: "ATmega328 on a breadboard (8 MHz internal clock)"

avrdude: stk500_recv(): programmer is not responding

Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.

This report would have more information with
"Show verbose output during compilation"
enabled in File > Preferences.

or some time it show this message:

Arduino: 1.6.5 (Windows 7), Board: "ATmega328 on a breadboard (8 MHz internal clock)"

avrdude: Yikes! Invalid device signature.

Double check connections and try again, or use -F to override

this check.

Error while burning bootloader.

This report would have more information with
"Show verbose output during compilation"
enabled in File > Preferences.

Please help me?