DE2 JTAG_UART terminal_PC communication problem : pausing target proccessor

Hi,

I am doing the tutorial creating hello_world for a nios Development Board (niosII Sftw. Developers Handbook - Chap3 Getting started from de command line)

Tools 9.1 : nios II EDS -> command shell

Board : Kit DE2 - EP2C35F672C6N ( Swith RUN position)

Connection : USB- Blaster

I have do the tutorial with the nios2 commands

tutorial on ../nios2eds/examples/verilog/nikosII_cycloneII-2c35/standard/software_examples/app/hello_world

open first command-shell

./create-this-app

nios2-configure-sof

open second command-shell

nios2-terminal -> DE2 Load blue led on

When i download and run hello_world.elf on nios2 sopc

nios2-download -g hello_world.elf

The stream Hello World dont transmitted to terminal and

THE ERROR MESSAGE IS

Using cable "USB-Blaster [USB-0]", device 1, instance 0x00

pausing target processor: not responding.

Resetting and trying again: FAILED

Leaving target processor paused

I have a node jtag debug and jtag-UART

$jtagconfig -n

1) USB-Blaster [USB-0]

020B40DD EP2C35

Node 19104600

Node 0C006E00

-I have on forum that there is not problem with version > 7.1

THANKS IN ADVANCE