Password Protection System - CD Edition Cost: $34 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Password Protection System - CD Edition: PPS-CD is a powerful utility to allow you to manage the security of your CD-ROM files. By allowing you to set both a password and an expiration date, PPS-CD is the perfect software for business security and safe file distribution. Any file type can be protected and any dependencies such as .DLLs or Skins are still recognized and utilized!