Windows Time Issues
Suggestions on how to fix Windows Time problems.
Windows XP Time Updater
Installing this update enables your computer to automatically adjust the computer clock on the correct date in 2007 due to revised Daylight Saving Time laws in many countries. After you install this item, you may have to restart your computer.
Windows clock not keeping the correct time? Install this DST Update for Windows XP (KB931836). This can also be fixed by downloading from Windows Update.
Windows 2000 Time Updater
A patch for Windows 2000 clients and servers, just double click the file and the time should adjust automatically. Download TZEDIT here.