check that this issue isn't being caused by any Windows 7 desktop gadgets.
If the problem persists, try changing the system registry setting as per the below.
We have already seen how to change the Windows Internet Time Update Interval.
But maybe your Windows Time is wrong and not synchronizing – or maybe you are unable to configure your Windows Internet time settings to automatically synchronize with an Internet time server, like say, time.
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.