I currently own a PII 500MHz ,64MB RAM, 8 GB HDD computer.I have Ms Windows98 2nd edition instolled on the machine. From last few day the clock on the computer always resets ,when a switch of the computer. I have tried to set the time correctly again but when I reboot the system the clock is always showing some other time. Please Adiise. To what is happing to my computer?. And it can be corrected

Please help?????????