Ensure no activator files were quarantined; if so, restore them and add an exclusion for the folder. Version Upgrade Transitioning to SOLIDWORKS 2022 SP2
in Windows Defender:
Temporarily disable Windows Defender's "Controlled Folder Access" under [Settings > Privacy & Security > Windows Security > Virus & Threat Protection > Manage Ransomware Protection]. error 6 solidworks activator windows 11