Cracked versions are notoriously unstable. They may crash during complex renders or, worse, corrupt your .SLDPRT or .SLDASM files, making them unreadable even if you later switch to a legal version.
When users search for a "patched" version of SolidWorks, they are usually looking for a package that includes: solidsquad+solidworks+patched
A tool that automates the registry changes and license server setup. Cracked versions are notoriously unstable