Does anyone know how to discover when windows creates a new file on disc. I know that there is such a Windows message, from which the files name and path can be extracted, but I can't remember what is is called. I'm using Delphi on this, so a "Delphi trick" would work as well. Anyone? Johan

You can use FindFirstChangeNotification(). If you know the file system will be NTFS, look into Change journals.