If you want to sync more often than the default, you have to be very comfortable editing the System Registry OR you can use our Atomic Clock Sync program to do the work for you.
Atomic Clock Sync offers an easy way to configure how often your computer will check in with an atomic clock server to keep your local system clock adjusted for accuracy. We give Atomic Clock Sync away for free simply to encourage you to use and return to World Time for the current times around the world.
This site provides listings of different shortcut keys for basic windows environments as well as major programs.
These keys help you get the most out of your programs and get to where you need to go the fastest way available.
I would advise hunting the rollup updates, such as this one for Windows 2000.