If your antivirus has "quarantined" parts of the activator, the server will never start correctly.
Temporarily disable in Windows Defender or your third-party antivirus.
Before attempting a re-installation, you must remove conflicting files that might be causing the "Error 6" initialization failure. Team Solidsquad Solidworks 2018 Error 6
Specify ports 25734 , 25735 , and 27000 to allow the connection.
Ensure the command prompt window confirms the service started successfully. If your antivirus has "quarantined" parts of the
Add the entire extraction folder to your antivirus so it doesn't delete the files once protection is re-enabled. 3. Configure Firewall Exceptions
Extract the activation files again from the original source. Team Solidsquad Solidworks 2018 Error 6
With the environment cleaned and ports open, re-initialize the service. Go back to your activator folder. Right-click server_install.bat and .