Stop Synchronizing the Time
SUMMARY: For privacy reasons, prevent Windows 7 from synchronizing the system time with an Internet time server.
By default if you are not the member of a domain, Windows 7 periodically synchronizes your computer time with an Internet time server, time.windows.com. This way if your system clock loses a few seconds (or worse), Windows can periodically adjust it as necessary, helping prevent file synchronization problems with backups and other issues.
