TrueCrypt 5.0a Free Open-source Disk Encryption...
This program is the real deal. Unlike other folder locking applications that can be circumvented by booting in safe mode or booting from a cd (or even worse, by terminating the process in Task Manager), the only way to access the data is to mount it using TrueCrypt [truecrypt5.0a.exe]. The best thing about TrueCrypt - 2.38MB is that it is extremely fast.
Download: TrueCrypt 5.0a-4. 3a. zip
What is new in official TrueCrypt 5.0a software version? - The memory requirements for the TrueCrypt Boot Loader have been reduced by 18 KB It is possible to access mounted TrueCrypt volumes over a network TrueCrypt Rescue Disks created by the previous version could not be booted on some computers. This will no longer occur Many other minor bug fixes. What is expected in the future? Newly-made TrueCrypt 5.1 be downloaded from current page, we also looking forward to unconfirmed 5.2 release build. You may download TrueCrypt Setup 5.0a.exe directly, estimated download time by ISDN or CDMA [~128 kbit/s] is 0:02:15. Just write the reviews of the TrueCrypt. System requirements are Windows 2000/XP/2003/Vista/XP64/Vista64. Program has been scanned and verified by the several antivirus and anti-spyware applications and TrueCrypt found to be clean. New guides and TrueCrypt tutorials are easy to follow and give you the knowledge to use TrueCrypt 5.0a software. The following languages are supported by TrueCrypt: English, French, German, Russian.