What is a good freeware with no size limitations that lets you password protect files and/or folders on vista?

Question

Winrar requires me to rar then un rar . . . too much hastle I just want something that puts a password which is required to acess the folder.

Answer 1

Nothing will beat TrueCrypt. You can even set up hidden containers (containers which cannot be found) if you follow some easy steps.

TrueCrypt is free software.