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  1. #1
    Star Lounger
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    Clock is Losing Time (XP Pro SP2)

    The Windows clock on several (if not all) of our workstations are consistently 4 -5 minutes behind actual time. We can synchronize or update a clock and within 15 minutes, it drops 4 minutes again. I've tried automatic clock synchronizing software, but they generally update clocks at a minimum interval of one hour. Some seem to have intervals as small as 1/4 hour, but our clocks would still be wrong half the time. The CPU clocks appear to be on time. Our problem is with the Windows clock on the task bar.

    I've read that anti-virus software can cause this problem. We're running McAfee VirusScan Enterprise 8.0 (& V4.5.1on machines that haven't been updated yet) and also some Ad-Aware, Spybot, & Microsoft Anit-Spyware. Is there a fix for this problem?

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    Star Lounger
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    Re: Clock is Losing Time (XP Pro SP2)

    As I understand, the Windows clock gets its time from the system clock upon startup, so if the system clock is correct, the Windows clock is correct only for those first few minutes. I believe it's the Windows clock that stamps the time that files are modified and it's the one in the tray that our users are looking when they want to know the current time. Some of our users depend on that clock and removing it from the tray doesn't fix anything.

  3. #3
    Uranium Lounger viking33's Avatar
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    Re: Clock is Losing Time (XP Pro SP2)

    Brian,

    There is a MSKB article that discusses this issue.

    Go to:189706
    BOB
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    Platinum Lounger
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    Re: Clock is Losing Time (XP Pro SP2)

    If the system clock is accurate, why are you worried about the (incorrect) time that appears in the system tray/notification area? It can be removed by removing the tick in front of "Show the clock" on the Taskbar Properties, if it offends.

    As to why you are getting the problem, it would have me baffled, since the time in the notification are is derived from the system clock, as far as I am aware! There's a thread here, where the final entry is "It is only when i play games, or other high RAM apps that it lags."

    John

    PS There's a small and <img src=/S/free.gif border=0 alt=free width=30 height=15> utility whose minimum synchronisation interval is 1 minute! The standard W32time WIndows feature just does it every 7 days.
    <font face="Script MT Bold"><font color=blue><big><big>John</big></big></font color=blue></font face=script>

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    Platinum Lounger
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    Re: Clock is Losing Time (XP Pro SP2)

    Bob

    But the latest applicable system is Windows ME!

    John
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    Plutonium Lounger Leif's Avatar
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    Re: Clock is Losing Time (XP Pro SP2)

    >> If the system clock is accurate, why are you worried about the (incorrect) time that appears in the system tray/notification area? It can be removed by removing the tick in front of "Show the clock" on the Taskbar Properties, if it offends.

    Is it your normal MO to just uninstall or disable system utilities that don't do what they are supposed to do? I and some of my colleagues depend on the Systray clock at work as it is the only accurate clock we can conveniently see.

    PS: The 'standard' synchronisation period on my (XP) Internet Time setting (Control Panel > Date and Time) appears to be 1 hour.

  7. #7
    Plutonium Lounger Leif's Avatar
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    Re: Clock is Losing Time (XP Pro SP2)

    If you open up the Time and Date Properties - a calendar with a big analogue clock - does that show the correct time?

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    Platinum Lounger
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    Re: Clock is Losing Time (XP Pro SP2)

    From Help and Support Center:
    "If synchronization is enabled, your computer clock is synchronized with an Internet time server once a week."

    John
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    Plutonium Lounger Leif's Avatar
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    Re: Clock is Losing Time (XP Pro SP2)

    From my desktop:

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    Platinum Lounger
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    Re: Clock is Losing Time (XP Pro SP2)

    From mine:
    <font face="Script MT Bold"><font color=blue><big><big>John</big></big></font color=blue></font face=script>

    Ita, esto, quidcumque...

  11. #11
    Star Lounger
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    Re: Clock is Losing Time (XP Pro SP2)

    Bob,

    Although the article is old (Windows ME), it appears to be applicable and seems to indicate that this problem has been around for a while. The resolution, according to the article, is to disable 3rd-pearty anti-virus programs, screen savers, & system utilities. We've been living with this problem and it looks we may need to get used to it.

    Thanks for the help.

    Brian

  12. #12
    Uranium Lounger viking33's Avatar
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    Re: Clock is Losing Time (XP Pro SP2)

    Brian,
    ------------------------------
    disable 3rd-pearty anti-virus programs, screen savers, & system utilities
    -----------------------------
    Yes, but that is only to try to find out what is causing the time lag. A temporary thing.
    I also saw that one other thing to try was to go into the BIOS and disable the APM ( automatic power manager )???
    BOB
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    Long ago, there was a time when men cursed and beat on the ground with sticks. It was called witchcraft.
    Today it is called golf!

  13. #13
    Plutonium Lounger Leif's Avatar
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    Re: Clock is Losing Time (XP Pro SP2)

    Sorry, I was wrong - it appears to be every 61 minutes.

    I don't recall doing anything to make it update faster than the Windows Weekly default - unless TClockEx has something to do with it? - but I do seem to have the required registry DWORD as outlined in this Winguides article.

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