why i can not use the run... function?

when i use the run... function, the console displays:

Using cable "ByteBlasterII on sybase [LPT1]", device 1, instance 0x00

Pausing target processor: OK

Downloading 00000000 ( 0%)

Downloaded 53KB in 1.3s (40.7KB/s)

Verifying 00000000 ( 0%)

Verify failed

Leaving target processor paused