unable to execute binary file

[klakshman03]

hi linux grp


iam running a firewall in my  linux9 box.
if  i try to execute firewall iam getting error like this " unable to execute binary file"   i noticed some binarycoding in firewall  but previouly  nothing was there  like this.thus how can i get my file again without replace newone  and how it happens?

pls tell me

[Ricky]

This is really very insufficient amount information.
I would like to give more info like what type of firewall.. what actually you need to execute..

We can't just really throw stone in dark !