A "cracked" encryption tool is fundamentally untrustworthy. The person who modified the code could have easily inserted a "master key" or disabled the encryption algorithm entirely, making your "protected" files easily accessible to them.
Security software needs constant updates to stay ahead of OS changes and new vulnerabilities. A cracked version is stuck in time, becoming more insecure with every Windows update. Why the "Portable" Crack is Especially Dangerous USB SafeGuard Crack Download 7.xx Full Version Portable