If the license server is already partially installed or hanging, you may need to reset it manually. Technical guides from GoEngineer suggest that refreshing the activation state can often clear persistent errors.
When attempting to use unofficial activation tools, such as those released by the group SSQ for SolidWorks 2017, users may occasionally encounter a cryptic error message: (often accompanied by a description like "Overflow" or simply "Unhandled exception occurred"). This error typically halts the activation process, preventing the software from being unlocked. Solidworks.2017.activator-ssq Error 6
For the SolidWorks activator, this typically happens when: If the license server is already partially installed