“Invalid procedure call or argument” – often caused by , antivirus interference , or corrupted activation files .
: Go to the Details tab and look for SolidWorks_FS.exe or sldworks.exe . error 6 solidworks activator windows 11
Security software frequently flags third-party activators or license managers as threats, deleting critical files needed for the process. Potential Fixes and Workarounds “Invalid procedure call or argument” – often caused