running design example on altera

thank you so much for your reply. . .

that problem got resolved. . .

i successfully downloaded that into fpga and i have selected correct .sof file even then when i tried to download it into nios ii it is showing this messege in the consol. . .

Using cable "USB-Blaster [USB-2]", device 1, instance 0x00

Pausing target processor: OK

Reading System ID at address 0x08000200:

ID value does not match: read 0x62C962CE; expected 0x54F17201

Timestamp value does not match: image on board is older than expected

Read timestamp 0:47:22 2010/12/22; expected 9:34:51 2011/03/17

The software you are downloading may not run on the system which is currently

configured into the device. Please download the correct SOF or recompile.

Restarting target processor

am not getting where i might have gone wrong. .

pls help me. . .