Markoz wrote on Jan 29^th, 2010 at 12:13pm:

Sorry to disagree 737Pilot122. But I have never had to drag the files to the desktop (or anywhere else) to edit them. I do them in the folder where they are in Flight Simulator X. And I always make backups before I change them. Mark

On my old laptop, I had to do it this way too, but not always...
This just depends on the security settings for the folder you're working in.
This is the reason I didn't install in program files on my current laptop, but just in C:/FSX...