Solidworks2017activatorssq Error 6 Fixed May 2026

The SOLIDWORKS 2017 SSQ activator has two modes: "Local Serial" and "Server". Error 6 often occurs in Local mode.

Workaround:

This changes how the activator writes handles, bypassing some file locks. solidworks2017activatorssq error 6 fixed

This is the #1 specific cause of SSQ Error 6 on Windows 10 and 11.

Steps:

Important: After disabling, reboot your PC. Then run the activator again. Controlled folder access is notorious for blocking the SSQ tool's handle to C:\Program Files\SOLIDWORKS Corp.

The activator cannot patch a file that is in use. If SLDWORKS.exe or any SOLIDWORKS background process (like the License Server) is active, the operating system returns an "invalid handle" error. The SOLIDWORKS 2017 SSQ activator has two modes:

If the activator cannot stop the service, it cannot override the license handle.

Steps:

Usually not. The SSQ activator needs to modify executable files. Most AVs will quarantine or block this. You must temporarily disable AV or add exclusions.