Many "Error 6" cases involve the FlexNet service failing to initialize.
Before performing a full uninstall, try a targeted repair. This process is significantly faster and preserves your user settings. Open the and go to Programs and Features . Find SOLIDWORKS 2018 in the list. Right-click and select Change (or Modify ). solidworks 2018 crack work installation error 6
Incorrect or "stuck" entries in the Windows registry that prevent the license manager from starting. Many "Error 6" cases involve the FlexNet service