Navigate to HKEY_CURRENT_USER\Software and HKEY_LOCAL_MACHINE\Software and remove old folders if a previous installation failed. 5. Verify .NET Framework 3.5

Antivirus programs often block the activator’s registry-writing capabilities.

Security software, including Windows Defender , often identifies activation tools as threats and blocks their ability to "inject" code or modify system files.

If you are on Windows 11, the activator may never work directly. Users have found success with these workarounds:

SOLIDWORKS 2017 requires legacy .NET Framework components to function.

The activator needs to write keys to the registry. If it is not run with elevated privileges, it triggers an "Access Violation".

Ensure is checked and fully installed. Comparison: Windows 10 vs. Windows 11 Support Google Groups Error 6 Solidsquad - Google Groups

Go to .