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I am interested to know the answer from your questions but so far the questions are unanswered.

I have a related issue which I will add on top of your original queries: How does one delete the old device/agent after a reinstall was done? I once had a crash and after a reinstall and using the same device name/ device id, I get two (2) independent device name/device id. In other words, how does one eliminate the 'phantom' device from showing under one's Device Manager webpage?
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If you restore your World Community Grid directory, this may work. If the save was from more than 3 weeks earlier, it should instantly timeout the restored work unit and get a new work unit from the server. I have not verified that this will work correctly, however. It may be possible that the servers will see that this looks like a clone install (because some results were returned after the original save) and cause your agent to force a re-registration as a new device id. This process requires human intervention on the agent's machine. Clone installs can also cause wasted workunit processing until the server recognizes them as a clone and resets them, forcing a new registration.

Hello andzgrid,
With our current software, a device can be visible or invisible, but it is never deleted and always shows in your total number of devices. Someday, something might be done about that, but it is not trivial to keep complete records and at the same time make a device disappear. Considering all that needs to be done, I do not expect a fix for this situation to appear in the near future. Invisible is as good as we can do for right now.
mycrofth

andzgrid,

I wish it were that simple. However, both of the stats that you speak of are not just numbers that are stored in the database. They are actually calculated from the database records.

The Device Manager page doesn't know how many devices to show as a specific number. In only knows to show all devices that have returned a result in the last 14 days (or whatever the dropdown is set to).

The My Stats page does a count of the number of devices that are in the database for a given member. That count is generated dynamically so the data is not actually stored anywhere.

We are working on a strategy for eliminating the old devices that are no longer returning results, but it's more complicated than you might think (and than I originally thought when I started working on this project last year).