I think there are several programs which will help with this. One is WinOn
Top, part of Tools Package at http://www.freewarehits.de/ToolsPackage.htm.
WinOn Top scored 5/6 at Nonags.
I'm sure that you could find others at
Tucows.com
Nonags.com
Download.com
completelyfreesoftware.com
freewarehome.com/