avrdude: verification error; content mismatch

Hello there, I'am getting suddenly this error on uploading my project. An Hour ago it worked fine, but then this problem appeared!

avrdude: Version 6.0.1, compiled on Apr 15 2015 at 19:59:58 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ Copyright (c) 2007-2009 Joerg Wunsch

System wide configuration file is "C:\Users\mindcode\Desktop\arduino-1.6.5-r2-windows\arduino-1.6.5-r2\hardware\tools\avr/etc/avrdude.conf"

Using Port : COM17 Using Programmer : wiring Overriding Baud Rate : 115200 AVR Part : ATmega2560 Chip Erase delay : 9000 us PAGEL : PD7 BS2 : PA0 RESET disposition : dedicated RETRY pulse : SCK serial program mode : yes parallel program mode : yes Timeout : 200 StabDelay : 100 CmdexeDelay : 25 SyncLoops : 32 ByteDelay : 0 PollIndex : 3 PollValue : 0x53 Memory Detail :

Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack


eeprom 65 10 8 0 no 4096 8 0 9000 9000 0x00 0x00 flash 65 10 256 0 yes 262144 256 1024 4500 4500 0x00 0x00 lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00 signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00

Programmer Type : Wiring Description : Wiring Programmer Model: AVRISP Hardware Version: 15 Firmware Version Master : 2.10 Vtarget : 0.0 V SCK period : 43.5 us

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.02s

avrdude: Device signature = 0x1e9801 avrdude: reading input file "C:\Users\mindcode\AppData\Local\Temp\build5084444692791622161.tmp/sketch_jul14a.cpp.hex" avrdude: writing flash (642 bytes):

Writing | ################################################## | 100% 0.09s

avrdude: 642 bytes of flash written avrdude: verifying flash memory against C:\Users\mindcode\AppData\Local\Temp\build5084444692791622161.tmp/sketch_jul14a.cpp.hex: avrdude: load data flash data from input file C:\Users\mindcode\AppData\Local\Temp\build5084444692791622161.tmp/sketch_jul14a.cpp.hex: avrdude: input file C:\Users\mindcode\AppData\Local\Temp\build5084444692791622161.tmp/sketch_jul14a.cpp.hex contains 642 bytes avrdude: reading on-chip flash data:

Reading | ################################################## | 100% 0.09s

avrdude: verifying ... avrdude: verification error, first mismatch at byte 0x0000 0x14 != 0x71 avrdude: verification error; content mismatch

avrdude done. Thank you.