Schematic is given in the link below.
I can't upload bootloader after uploading ArduinoISP program.
Error while burning bootloader.(given below)
{
Arduino: 1.8.5 (Windows 7), Board: "Arduino NG or older, ATmega8"
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"
option enabled in File -> Preferences.
}