ISP funktioniert nicht mehr

> "make.exe" program

avrdude -p atmega168 -P lpt1 -c stk200    -U flash:w:rechner.hex 

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.00s

avrdude: Device signature = 0x1e9406

avrdude: NOTE: FLASH memory has been specified, an erase cycle will be performed

         To disable this feature, specify the -D option.

avrdude: erasing chip

avrdude: AVR device not responding

avrdude: reading input file "rechner.hex"

avrdude: input file rechner.hex auto detected as Intel Hex

avrdude: writing flash (3738 bytes):

Writing | ################################################## | 100% 1.14s

avrdude: 3738 bytes of flash written

avrdude: verifying flash memory against rechner.hex:

avrdude: load data flash data from input file rechner.hex:

avrdude: input file rechner.hex auto detected as Intel Hex

avrdude: input file rechner.hex contains 3738 bytes

avrdude: reading on-chip flash data:

Reading | ################################################## | 100% 0.98s

avrdude: verifying ...

avrdude: verification error, first mismatch at byte 0x0000

         0x12 != 0xff

avrdude: verification error; content mismatch

avrdude done.  Thank you.

make.exe: *** [program] Error 1

> Process Exit Code: 2

> Time Taken: 00:03