Folder Security Personal allows you to hide and lock folders and files. You can choose to hide them completely or restrict access by making them read-only ,preventing modification or deletion by other users or programs. The program can also lock Floppy, CDrom, USB sticks, and other removable drives or make them read-only. It works with drive of all of FAT/FAT32/NTFS formats. This program can also repair and prevent malicious changes on most options of the Internet Explorer, such as Start Page, Default URL, Window Title, Context Menu, and etc. Additional features include support for special folders (My Documents, Send To etc.), disable/enable the Registry Editor, default drives sharing, and password protected interface. This tool is foolproof, self-protected, and easy-to-use with drag-and-drop operation fully supported. It also includes a proactive spyware defender, and is able to protect the Internet Explorer from being hijacked and to block installation of spyware, adware, and trojan horse programs, no matter they are known or not. Version 4.1 now supports Windows Vista.