: Systems with Office 365 or newer SolidWorks versions (2021+) may have VBA 7.1 installed, which can block 2018's installation manager. Uninstalling newer VBA components can sometimes resolve deep-seated activation errors. To help you troubleshoot further, could you tell me: Are you running this on Windows 10 or Windows 11 ?
: Some users have reported Error 6 when attempting to activate the 2018 version on Windows 11 , as it is not officially supported on that OS. Step-by-Step Troubleshooting Guide
Error 6, in the context of SolidWorks 2018 activator SSQ, typically indicates a problem with the activation process, often related to:
A secondary cause is interference from antivirus software or Windows Defender. Because activators behave similarly to malware—injecting code into legitimate executables and altering system binaries—security suites often quarantine or delete the activator's components before the process is complete. If the activator attempts to call a file that has been silently removed by an antivirus, the process fails, resulting in a runtime error.
You may be facing a or ASLR (Address Space Layout Randomization) conflict. Modern Windows blocks the arithmetic method the SSQ activator uses.
By taking these preventive measures, users can minimize the risk of encountering activation errors and ensure a smooth experience with SOLIDWORKS 2018.