From: maxat@healey.com.au   
      
   I use a registry key system with my applications that checks for roll backs   
   to stop hacking the demo time.   
      
   (you have to watch out for daylight savings there.)   
      
   XOR it with the disk serial number and you'll tie it to one machine for all   
   but the most determined user   
      
   But I did see something several years ago that got my interest in a big way,   
   btreive had this thing called a gold key disk.   
      
   it stuck a file on the hard disk that you could not open,edit, move or copy!   
   but you could see it.  To transfer your key from one machine to another you   
   ran an application they gave you on a floppy it moved the key to the floppy   
   where it put it on an illegal track (a common thing back then to stop you   
   from copying floppy's) and then you could move it to another hard disk using   
   the same application.   
      
   I wonder how that worked?   
      
      
      
      
      
      
   "Raoul Watson"  wrote in message   
   news:zxkZf.9890$lz3.6401@trndny05...   
   >   
   > "Steve Gerrard"  wrote in message   
   > news:GqmdnfpTUdYzVajZRVn-qQ@comcast.com...   
   >>   
   >>.. using a generated key to control the program makes sense. But then the   
   >> physical file location is irrelevant:   
   >>   
   > Exactly my point. The original poster wants to track if his file is   
   > moved --I am guessing for legitimacy issue of having the file, so I   
   > suggested the key method. So it doesn't matter where the file is located.   
   >   
   >   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)