Because cracked versions modify core SolidWorks files or emulate license servers. Error 6 often arises when:
(or the specific port/host defined in your crack instructions). Disable Firewall/Antivirus : Security software frequently flags crack files (like solidworks 2018 crack work installation error 6
Open your installation tools and look for a SolidWorks license file cleanup utility. Because cracked versions modify core SolidWorks files or