The computer at my office has an irritating problem.often the date changes by itself to january 2000

it does not seem to be a virus as norton antivirus runs a daily scan.it runs on windows 2000

The computer at my office has an irritating problem.often the date changes by itself to january 2000?vista

needs a new cmos battery

The computer at my office has an irritating problem.often the date changes by itself to january 2000?antispyware

Change the CMOS battery!!
It's Y2K bug. Please read the source in detailed.