Error 6 (Exclusive Access/Access Violation) typically occurs during the activation phase of SolidWorks 2018
: Keep in mind that SolidWorks 2018 might no longer be supported or receiving updates, which could lead to compatibility issues or make troubleshooting more challenging. team solidsquad solidworks 2018 error 6 exclusive
: SolidWorks 2018 uses older Visual Basic for Applications (VBA 7.1) components. If a machine has a newer version of SolidWorks (2021 SP2 or later) installed, it can corrupt these prerequisites, leading to activation failure. Known Troubleshooting Steps it can corrupt these prerequisites