ShareGuard: This program is for Shareware developers who want to protect their software. This is a software copy protection system. Shareware developers usually cannot afford to buy hardware protected systems. Usually their software costs less than a dongle alone. This is where ShareGuard comes to the rescue. ShareGuard consists of 4 components: (1) ShareGuard Lock (2) ShareGuard Key (3) ShareGuard Locksmith (4) CRC Check.