> > To exploit this flaw (in explorer), simply place a malformed (invalid > > "size" field) .emf file in any directory, open explorer to that path, > > and view as Thumbnails. Bang. In it's simplest form it's a DOS - it > > affects all explorer windows, including File Open dialogs for many > > programs. The february 04 issue of MaximumPC lists the following registry key to tweak to help speed up your system. Seems to me this might have other benefits besides speed. :-) Remove Image Preview by deleting this key: HKEY_Classes_Root\SystemFileAssociations\Image\ShellEx\ContextMenuHandlers\ShellImagePreview cheers, --dr -- Top security experts. Cutting edge tools, techniques and information. Vancouver, Canada April 21-23 2004 http://cansecwest.com pgpkey http://dragos.com/ kyxpgp