I have a question. Here's an example of one the advisories given by CleanSweep with respect to a duplicate dll: "The file 'C:\Programs\Executive Software\DiskKeeperWorkStation\dfrgres.dll' has the highest version number, but is not in the Windows System folder. You should move this file to the Windows System folder. You should then be able to delete all other files." Would you reccomend doing this? Also, doesn't Windows look first to the System folder for the dll needed for a program, and then secondly to the program folder itself?