FREQUENCY OUT OF RANGE

I AM FACING A PROBLEM IN A P4 PC NETVITA (IBM). IT’S O/S IS XP/PROFESSIONAL.

THROUGH DOS PROMPT I RUN A DOS APPLICATION (THIS APPLICATION REQUIRED ARABIC, SO RUN NAFITHA. WBILE I RUN NAFITHA SCREEN GIVE A MESSAGE THAT
FREQ. OUT OF RANGE
HF: 27.95KHZ
VF: 62.34HZ
AND QUIT THE PROGRAMME.

COULD YOU PLEASE HELP ME IN THIS PROBLEM