... ... IF FSEEK(hnd,0,2) = nLen * simulate a hacker capture cRun = 'notepad.exe "'+cTempFile+ '"' RUN &cRun * If you are a hacker, then you know whether to do with the program of capture DO (cTempFile) ENDIF ... ...I guess I misunderstood. I thought you were trying to limit a hacker from injecting code, which I think this could do with a little tweaking.