So your gadgets have disappeared? It seemed to happen to me after a Windows update, though since I wasn't really paying attention I can't be sure. It might have been installing Steam that did it, but evidently the gadgets can just disappear for no discernible reason, so who knows.
In my case, UAC was still on, and desktop items were not hidden. These are apparently the two most common reasons for gadgets to disappear.
Anyway, this BAT file fixed my problem. I did not bother going through it to see just what it does, but it seems to kill any existing process and reset the gadget settings.