Member Avatar for kincumber

I want to instal Atomic Clock Sync, I had the previous bersion and had no problem. The new vwersion I can run but cannot install. I have tried saving fist but no sign of installation wizard. I have XP Home

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— a few focused checks usually clears this up when an app "runs" but never shows an installer.

First, confirm what you actually downloaded. Look at the file extension and Properties (right‑click). If it is a ZIP, extract it and run the setup inside. If it is a single EXE that simply launches the program, it may be a portable build (no installer). If it is an MSI and double‑clicking does nothing, Windows Installer may need a quick repair or the installer was blocked by AV.

To reset the Windows Installer and ensure the service is available, run these from a command prompt (Start > Run > cmd):

msiexec /unregister
msiexec /regserver
net start msiserver

If that still does not show an installation wizard, temporarily disable antivirus/firewall and try again, or try the download on another PC to see whether the package itself is missing an installer. If the vendor offers both "portable" and "installer" builds, grab the installer build.

Regarding the clock losing time (as asked after 's note): rule out the BIOS battery first. Set the clock in the BIOS, power the machine completely off and unplug it (remove laptop battery if applicable), wait 12–24 hours, then check the BIOS clock. If it lost time while off, the CMOS battery is the likely cause. If the BIOS kept time but Windows drifts while running, focus on the Windows Time service: restart it and force a resync:

net stop w32time
net start w32time
w32tm /resync

Also check Event Viewer for w32time entries and verify the system time zone and daylight settings. For physical battery replacement, verify the correct battery type for the model and take care with laptops (some batteries are not user‑replaceable). If installer or time problems persist after these checks, try the prior working version or contact the software author — often the simplest path is to use the built‑in time sync if installation proves unreliable.

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Member Avatar for hughv

This program must be run every time you want to use it.
Don't bother: XP has access to several time servers and will update automatically.

Member Avatar for kincumber

Thank you for that, a friend of mine is complaining that his clock is losing time, is this the battery or some other cause? Can one check the operation of Windows in this area?

Member Avatar for hughv

The battery can cause this, but some computers just do a lousy job with time.
Batteries are cheap and easy to replace, so give it a try.

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